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Document and Entity Information - USD ($)	6 Months Ended
Document and Entity Information - USD ($)	Mar. 31, 2011	Apr. 30, 2011	Mar. 31, 2010
Document and Entity Information [Abstract]
Entity Registrant Name	FAIR ISAAC CORP
Entity Central Index Key	0000814547
Document Type	10-Q
Document Period End Date	Mar. 31, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--09-30
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 770,150,790
Entity Common Stock, Shares Outstanding		39,832,994

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Mar. 31, 2011	Sep. 30, 2010
Current assets:
Cash and cash equivalents	$ 258,294	$ 146,199
Marketable securities available for sale, current portion	0	68,615
Accounts receivable, net	106,893	113,187
Prepaid expenses and other current assets	15,898	19,174
Total current assets	381,085	347,175
Marketable securities available for sale, less current portion	5,123	4,367
Other investments	10,999	11,074
Property and equipment, net	29,038	30,975
Goodwill	667,431	665,953
Intangible assets, net	23,423	27,244
Deferred income taxes	27,530	27,774
Other assets	7,797	9,154
Total assets	1,152,426	1,123,716
Current liabilities:
Accounts payable	16,424	8,765
Accrued compensation and employee benefits	24,004	33,697
Other accrued liabilities	26,383	28,732
Deferred revenue	51,020	42,953
Current maturities on long-term debt	8,000	8,000
Total current liabilities	125,831	122,147
Senior notes	512,000	512,000
Other liabilities	16,318	14,655
Total liabilities	$ 654,149	$ 648,802
Commitments and contingencies
Stockholders' equity:
Preferred stock ($0.01 par value; 1,000 shares authorized; none issued and outstanding)	$ 0	$ 0
Common stock ($0.01 par value; 200,000 shares authorized, 88,857 shares issued, 39,824 and 39,882 shares outstanding at March 31, 2011 and September 30, 2010, respectively)	398	399
Paid-in-capital	1,099,635	1,103,244
Treasury stock, at cost (49,033 and 48,975 shares at March 31, 2011 and September 30, 2010, respectively)	(1,555,141)	(1,556,253)
Retained earnings	969,357	947,202
Accumulated other comprehensive loss	(15,972)	(19,678)
Total stockholders' equity	498,277	474,914
Total liabilities and stockholders' equity	$ 1,152,426	$ 1,123,716

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Mar. 31, 2011	Sep. 30, 2010
Stockholders' equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000	1,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000	200,000
Common stock, shares issued	88,857	88,857
Common stock, shares outstanding	39,824	39,882
Treasury stock, shares	49,033	48,975

Condensed Consolidated Statements of Income (Unaudited) - USD ($)
shares in Thousands, $ in Thousands

3 Months Ended

6 Months Ended

Mar. 31, 2011

Mar. 31, 2010

Mar. 31, 2011

Mar. 31, 2010

Revenues:

Transactional and maintenance

$ 111,431

$ 113,701

$ 226,193

$ 228,807

Professional services

27,041

23,926

54,949

50,163

License

14,352

6,093

27,613

16,246

Total revenues

152,824

143,720

308,755

295,216

Operating expenses:

Cost of revenues

^[1]

48,506

44,641

94,309

87,160

Research and development

16,222

19,251

34,283

38,227

Selling, general and administrative

^[1]

55,449

53,697

115,082

108,900

Amortization of intangible assets

^[1]

1,933

3,070

3,862

6,235

Restructuring

11,522

12,391

Total operating expenses

133,632

120,659

259,927

240,522

Operating income

19,192

23,061

48,828

54,694

Interest Income

507

161

1,046

Interest expense

(8,137)

(5,423)

(16,378)

(10,831)

Other income (expense), net

(78)

1,027

(154)

646

Income from operations before income taxes

11,034

19,172

32,457

45,555

Provision for income taxes

3,289

6,180

8,703

14,877

Net income

$ 7,745

$ 12,992

$ 23,754

$ 30,678

Earnings per share

Basic

$ 0.19

$ 0.28

$ 0.59

$ 0.65

Diluted

$ 0.19

$ 0.28

$ 0.59

$ 0.65

Shares used in computing earnings per share:

Basic

40,010

46,447

39,966

47,033

Diluted

40,618

46,870

40,528

47,399

[1]	Cost of revenues and selling, general and administrative expenses exclude the amortization of intangible assets. See Note 2 to the accompanying condensed consolidated financial statements.

Condensed Consolidated Statement of Stockholders' Equity and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2011	Mar. 31, 2011
Statement [Line Items]
Beginning Balance		$ 474,914
Beginning Balance, shares		39,882
Share-based compensation		$ 8,205
Exercise of stock options		8,579
Tax effect from share-based payment arrangements		(144)
Repurchases of common stock		(17,448)
Issuance of ESPP shares from treasury		15
Issuance of restricted stock to employees from treasury		(1,705)
Dividends paid		(1,599)
Net income	$ 7,745	23,754
Unrealized loss on investments		(37)
Cumulative translation adjustments		3,743
Ending Balance	$ 498,277	$ 498,277
Ending Balance, shares	39,824	39,824
Common Stock
Statement [Line Items]
Beginning Balance		$ 399
Beginning Balance, shares		39,882
Exercise of stock options		$ 4
Exercise of stock options, shares		443
Repurchases of common stock		$ 6
Repurchases of common stock, shares		(642)
Issuance of restricted stock to employees from treasury		$ 1
Issuance of restricted stock to employees from treasury, shares		141
Ending Balance	$ 398	$ 398
Ending Balance, shares	39,824	39,824
Paid-in-Capital
Statement [Line Items]
Beginning Balance		$ 1,103,244
Share-based compensation		8,205
Exercise of stock options		(5,489)
Tax effect from share-based payment arrangements		(144)
Issuance of ESPP shares from treasury		(4)
Issuance of restricted stock to employees from treasury		(6,177)
Ending Balance	$ 1,099,635	1,099,635
Treasury Stock
Statement [Line Items]
Beginning Balance		(1,556,253)
Exercise of stock options		14,064
Repurchases of common stock		(17,442)
Issuance of ESPP shares from treasury		19
Issuance of restricted stock to employees from treasury		4,471
Ending Balance	(1,555,141)	(1,555,141)
Retained Earnings
Statement [Line Items]
Beginning Balance		947,202
Dividends paid		(1,599)
Net income		23,754
Ending Balance	969,357	969,357
Accumulated Other Comprehensive Loss
Statement [Line Items]
Beginning Balance		(19,678)
Unrealized loss on investments		(37)
Cumulative translation adjustments		3,743
Ending Balance	(15,972)	(15,972)
Comprehensive Income
Statement [Line Items]
Beginning Balance		0
Net income		23,754
Unrealized loss on investments		(37)
Cumulative translation adjustments		3,743
Ending Balance	$ 27,460	$ 27,460

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2011	Mar. 31, 2010
Cash flows from operating activities:
Net income	$ 23,754	$ 30,678
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12,770	16,128
Share-based compensation	8,205	9,382
Deferred income taxes	818
Tax effect from share-based payment arrangements	(144)	(3,419)
Excess tax benefits from share-based payment arrangements	(1,127)	(1,038)
Net amortization of premium on marketable securities	365	1,060
Benefit from provision for doubtful accounts, net	(582)	(810)
Net loss on sales of property and equipment	155	56
Changes in operating assets and liabilities, net of disposition effects:
Accounts receivable	7,275	12,324
Prepaid expenses and other assets	3,911	(644)
Accounts payable	6,257	20
Accrued compensation and employee benefits	(9,788)	(3,138)
Other liabilities	1,580	9,304
Deferred revenue	6,169	62
Net cash provided by operating activities	59,618	69,965
Cash flows from investing activities:
Purchases of property and equipment	(5,106)	(8,010)
Cash proceeds from sale of property and equipment		50
Cash proceeds from sale of product line assets		490
Purchases of marketable securities		(71,749)
Proceeds from sales of marketable securities	13,644
Proceeds from maturities of marketable securities	54,545	80,666
Distribution from cost method investees	75
Net cash provided by investing activities	63,158	1,447
Cash flows from financing activities:
Proceeds from issuances of common stock under employee stock option and purchase plans	6,889	2,156
Dividends paid	(1,599)	(1,877)
Repurchases of common stock	(19,311)	(57,530)
Excess tax benefits from share-based payment arrangements	1,127	1,038
Net cash used in financing activities	(12,894)	(56,213)
Effect of exchange rate changes on cash	2,213	(2,446)
Increase in cash and cash equivalents	112,095	12,753
Cash and cash equivalents, beginning of year	146,199	178,157
Cash and cash equivalents, end of year	258,294	190,910
Supplemental disclosures of cash flow information:
Cash paid for income taxes, net of refunds	8,696	9,607
Cash paid for interest	$ 16,082	$ 10,629

Nature of Business	6 Months Ended
Nature of Business	Mar. 31, 2011
Nature of Business [Abstract]
Nature of Business	1. Nature of Business *Fair Isaac Corporation* Incorporated under the laws of the State of Delaware, Fair Isaac Corporation (“FICO”) is a provider of analytic, software and data management products and services that enable businesses to automate, improve and connect decisions. FICO provides a range of analytical solutions, credit scoring and credit account management products and services to banks, credit reporting agencies, credit card processing agencies, insurers, retailers and healthcare organizations. In these condensed consolidated financial statements, FICO is referred to as “we,” “us,” “our,” or “FICO”. *Principles of Consolidation and Basis of Presentation* We have prepared the accompanying unaudited interim condensed consolidated financial statements in accordance with the instructions to Form 10-Q and the applicable accounting guidance. Consequently, we have not necessarily included in this Form 10-Q all information and footnotes required for audited financial statements. In our opinion, the accompanying unaudited interim condensed consolidated financial statements in this Form 10-Q reflect all adjustments (consisting only of normal recurring adjustments, except as otherwise indicated) necessary for a fair presentation of our financial position and results of operations. These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with our audited consolidated financial statements and notes thereto presented in our Annual Report on Form 10-K for the year ended September 30, 2010. The interim financial information contained in this report is not necessarily indicative of the results to be expected for any other interim period or for the entire fiscal year. The condensed consolidated financial statements include the accounts of FICO and its subsidiaries. All intercompany accounts and transactions have been eliminated. *Use of Estimates* The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. These estimates and assumptions include, but are not limited to, assessing the following: the recoverability of accounts receivable, goodwill and other intangible assets, software development costs and deferred tax assets; the benefits related to uncertain tax positions, the determination of the fair value of stock-based compensation, the ability to estimate hours in connection with fixed-fee service contracts, the ability to estimate transactional-based revenues for which actual transaction volumes have not yet been received and the determination of whether fees are fixed or determinable and collection is probable or reasonably assured.

Goodwill and Intangible Assets

6 Months Ended

Mar. 31, 2011

Goodwill and Intangible Assets

Goodwill and Intangible Assets

2. Goodwill and Intangible Assets

Amortization expense associated with our intangible assets, which has been reflected as a separate operating expense caption within the accompanying condensed consolidated statements of income, consisted of the following:


	Quarter Ended March 31,				Six Months Ended March 31,
	2011		2010		2011		2010
	(In thousands)
Cost of revenues	$	568	$	1,711	$	1,137	$	3,450
Selling, general and administrative expenses		1,365		1,359		2,725		2,785

	$	1,933	$	3,070	$	3,862	$	6,235

Cost of revenues reflects our amortization of completed technology and selling, general and administrative expenses reflects our amortization of other intangible assets. Intangible assets (excluding goodwill) were $23.4 million and $27.2 million, net of accumulated amortization of $111.1 million and $107.0 million, as of March 31, 2011 and September 30, 2010, respectively.

Estimated future intangible asset amortization expense associated with intangible assets existing at March 31, 2011, was as follows (in thousands):


Fiscal year
Remainder of fiscal 2011	$	3,869
2012		6,162
2013		4,148
2014		2,407
2015		2,407
Thereafter		4,430

	$	23,423

The following table summarizes changes to goodwill during fiscal 2011, both in total and as allocated to our segments.


	Applications		Scores		Tools		Total
	(In thousands)
Balance at September 30, 2010	$	452,248	$	146,648	$	67,057	$	665,953
Foreign currency translation adjustment		1,218		—		260		1,478

Balance at March 31, 2011	$	453,466	$	146,648	$	67,317	$	667,431

Restructuring Expenses

6 Months Ended

Mar. 31, 2011

Restructuring Expenses [Abstract]

Restructuring Expenses

3. Restructuring Expenses

The following table summarizes our restructuring accruals and certain FICO facility closures. The current portion and non-current portion is recorded in other accrued current liabilities and other long-term liabilities, respectively, within the accompanying condensed consolidated balance sheets. These balances are expected to be paid by fiscal 2018.


	Accrual at										Accrual at
	September 30,			Expense		Cash			Expense		March 31,
	2010			Additions		Payments			Reversals		2011
	(In thousands)
Facilities charges	$	2,836		$	4,226	$	(355	)	$	—	$	6,707
Employee separation		742			8,165		(5,613	)		—		3,294

		3,578		$	12,391	$	(5,968	)	$	—		10,001

Less: current portion		(1,474	)									(5,496	)

Non-current	$	2,104									$	4,505

During the quarter ended December 31, 2010, we incurred net charges totaling $0.9 million consisting mainly of costs for vacating excess leased space. During the quarter ended March 31, 2011, in connection with our reengineering initiative, we incurred net charges totaling $11.5 million. The charges included $8.2 million for severance costs associated with the reduction of 177 positions throughout the company. Cash payments for substantially all the severance costs will be paid by the end of our third quarter of fiscal 2011. We also recognized charges of $3.3 million associated with vacating excess leased space in Minnesota and Georgia. The charge represents future cash lease payments, net of estimated sublease income, which will be paid out over the next seven years.

Composition of Certain Financial Statement Captions

6 Months Ended

Mar. 31, 2011

Composition of Certain Financial Statement Captions [Abstract]

Composition of Certain Financial Statement Captions

4. Composition of Certain Financial Statement Captions

The following table summarizes property and equipment, and the related accumulated depreciation and amortization.


	March 31, 2011			September 30, 2010
	(In thousands)
Property and equipment	$	193,676		$	218,125
Less: accumulated depreciation and amortization		(164,638	)		(187,150	)

	$	29,038		$	30,975

Earnings Per Share

6 Months Ended

Mar. 31, 2011

Earnings Per Share [Abstract]

Earnings Per Share

5. Earnings Per Share

The following reconciles the numerators and denominators of basic and diluted earnings per share (“EPS”):


	Quarter Ended March 31,				Six Months Ended March 31,
	2011		2010		2011		2010
	(In thousands, except per				(In thousands, except per
	share data)				share data)
Numerator for diluted and basic earnings per share — net income:	$	7,745	$	12,992	$	23,754	$	30,678


Denominator — shares:
Basic weighted-average shares		40,010		46,447		39,966		47,033
Effect of dilutive securities		608		423		562		366

Diluted weighted-average shares		40,618		46,870		40,528		47,399


Earnings per share from continuing operations:
Basic	$	0.19	$	0.28	$	0.59	$	0.65

Diluted	$	0.19	$	0.28	$	0.59	$	0.65

The computation of diluted EPS for the quarters ended March 31, 2011 and 2010, excludes options to purchase approximately 3,833,000 and 4,796,000 shares of common stock, respectively, and for the six months ended March 31, 2011 and 2010 excludes options to purchase approximately 4,204,000 and 5,136,000 shares of common stock, respectively, because the options’ exercise prices exceeded the average market price of our common stock in these periods and their inclusion would be antidilutive.

Segment Information

6 Months Ended

Mar. 31, 2011

Segment Information [Abstract]

Segment Information

6. Segment Information

We are organized into the following three reportable segments to align with internal management of our worldwide business operations based on product offerings.

	•		Applications. Our Applications products are pre-configured Decision Management applications and associated professional services, designed for a specific type of business problem or process, such as marketing, account origination, customer management, fraud and insurance claims management.

	•		Scores. This segment includes our business-to-business scoring solutions, our myFICO^® solutions for consumers and associated professional services. Our scoring solutions give our clients access to analytics that can be easily integrated into their transaction streams and decision-making processes. Our scoring solutions are distributed through major credit reporting agencies, as well as services through which we provide our scores to clients directly.

	•		Tools. The Tools segment is composed of software tools and associated professional services that clients can use to create their own custom Decision Management applications.

Our Chief Executive Officer evaluates segment financial performance based on segment revenues and segment operating income. Segment operating expenses consist of direct and indirect costs principally related to personnel, facilities, consulting, travel and

depreciation. Indirect costs are allocated to the segments generally based on relative segment revenues, fixed rates established by management based upon estimated expense contribution levels and other assumptions that management considers reasonable. We do not allocate share-based compensation expense, restructuring expense, amortization expense, various corporate charges and certain other income and expense measures to our segments. These income and expense items are not allocated because they are not considered in evaluating the segment’s operating performance. Our Chief Executive Officer does not evaluate the financial performance of each segment based on its respective assets or capital expenditures; rather, depreciation amounts are allocated to the segments from their internal cost centers as described above.

The following tables summarize segment information for the three and six months ended March 31, 2011 and 2010:


	Quarter Ended March 31, 2011
										Unallocated
										Corporate
	Applications			Scores			Tools			Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	64,102		$	39,894		$	7,435		$	—		$	111,431
Professional services		23,486			730			2,825			—			27,041
License		8,348			336			5,668			—			14,352

Total segment revenues		95,936			40,960			15,928			—			152,824
Segment operating expense		(72,262	)		(15,262	)		(13,057	)		(15,425	)		(116,006	)

Segment operating income	$	23,674		$	25,698		$	2,871		$	(15,425	)		36,818

Unallocated share-based compensation expense														(4,171	)
Unallocated amortization expense														(1,933	)
Unallocated restructuring expense														(11,522	)

Operating income														19,192
Unallocated interest income														57
Unallocated interest expense														(8,137	)
Unallocated other income, net														(78	)

Income before income taxes													$	11,034

Depreciation expense	$	3,431		$	271		$	406		$	274		$	4,382


	Quarter Ended March 31, 2011
										Unallocated
										Corporate
	Applications			Scores			Tools			Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	64,703		$	41,885		$	7,113		$	—		$	113,701
Professional services		19,621			649			3,656			—			23,926
License		2,572			—			3,521			—			6,093

Total segment revenues		86,896			42,534			14,290			—			143,720
Segment operating expense		(66,342	)		(15,201	)		(13,710	)		(17,489	)		(112,742	)

Segment operating income	$	20,554		$	27,333		$	580		$	(17,489	)		30,978

Unallocated share-based compensation expense														(4,847	)
Unallocated amortization expense														(3,070	)

Operating income														23,061
Unallocated interest income														507
Unallocated interest expense														(5,423	)

Unallocated other income, net														1,027

Income before income taxes													$	19,172

Depreciation expense	$	3,770		$	338		$	530		$	333		$	4,971


	Six Months Ended March 31, 2011
										Unallocated
										Corporate
	Applications			Scores			Tools			Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	130,699		$	80,399		$	15,095		$	—		$	226,193
Professional services		48,235			969			5,745			—			54,949
License		14,638			407			12,568			—			27,613

Total segment revenues		193,572			81,775			33,408			—			308,755
Segment operating expense		(146,749	)		(30,513	)		(28,147	)		(30,060	)		(235,469	)

Segment operating income	$	46,823		$	51,262		$	5,261		$	(30,060	)		73,286

Unallocated share-based compensation expense														(8,205	)
Unallocated amortization expense														(3,862	)
Unallocated restructuring expense														(12,391	)

Operating income														48,828
Unallocated interest income														161
Unallocated interest expense														(16,378	)
Unallocated other income, net														(154	)

Income before income taxes													$	32,457

Depreciation expense	$	6,921		$	551		$	912		$	524		$	8,908


	Six Months Ended March 31, 2011
										Unallocated
										Corporate
	Applications			Scores			Tools			Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	131,437		$	83,028		$	14,342		$	—		$	228,807
Professional services		41,083			1,059			8,021			—			50,163
License		7,248			—			8,998			—			16,246

Total segment revenues		179,768			84,087			31,361			—			295,216
Segment operating expense		(133,522	)		(29,479	)		(27,889	)		(34,015	)		(224,905	)

Segment operating income	$	46,246		$	54,608		$	3,472		$	(34,015	)		70,311

Unallocated share-based compensation expense														(9,382	)
Unallocated amortization expense														(6,235	)

Operating income														54,694
Unallocated interest income														1,046
Unallocated interest expense														(10,831	)
Unallocated other income, net														646

Income before income taxes													$	45,555

Depreciation expense	$	7,504		$	680		$	1,043		$	666		$	9,893

Fair Value Measurements

6 Months Ended

Mar. 31, 2011

Fair Value Measurements [Abstract]

Fair Value Measurements

7. Fair Value Measurements

Fair value is defined as the price that would be received from the sale of an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The accounting guidance establishes a three-level hierarchy for disclosure that is based on the extent and level of judgment used to estimate the fair value of assets and liabilities.

	•		Level 1 — uses unadjusted quoted prices that are available in active markets for identical assets or liabilities. Our Level 1 securities are comprised of money market funds and certain equity securities.

	•		Level 2 — uses inputs other than quoted prices included in Level 1 that are either directly or indirectly observable through correlation with market data. These include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; and inputs to valuation models or other pricing methodologies that do not require significant judgment because the inputs used in the model, such as interest rates and volatility, can be corroborated by readily observable market data. Our Level 2 securities are comprised of U.S. government and corporate debt obligations that are generally held to maturity.

	•		Level 3 — uses one or more significant inputs that are unobservable and supported by little or no market activity, and that reflect the use of significant management judgment. Level 3 assets and liabilities include those whose fair value measurements are determined using pricing models, discounted cash flow methodologies or similar valuation techniques, and significant management judgment or estimation. We do not have any assets or liabilities that are valued using inputs identified under a Level 3 hierarchy.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table represents financial assets that we measured at fair value on a recurring basis at March 31, 2011 and September 30, 2010, respectively:


	Active Markets for		Significant Other
	Identical Instruments		Observable Inputs		Fair Value as of
March 31, 2011	(Level 1)		(Level 2)		March 31, 2011
Assets:
Cash equivalents (1)	$	150,167	$	—	$	150,167
Marketable securities (3)		5,123		—		5,123

Total	$	155,290	$	—	$	155,290


	Active Markets for		Significant Other
	Identical Instruments		Observable Inputs		Fair Value as of
September 30, 2010	(Level 1)		(Level 2)		September 30, 2010
Assets:
Cash equivalents (1)	$	82,545	$	—	$	82,545
U.S. corporate debt (2)		—		2,981		2,981
Non U.S. corporate debt (2)		—		17,267		17,267
U.S. government obligations (2)		—		39,452		39,452
U.S. municipal obligations (2)		—		8,915		8,915
Marketable securities (3)		4,367		—		4,367

Total	$	86,912	$	68,615	$	155,527


(1)		Included in cash and cash equivalents on our balance sheet at March 31, 2011 and September 30, 2010. Not included in this table are cash deposits of $108.1 million and $63.7 million at March 31, 2011 and September 30, 2010, respectively.

(2)		Included in marketable securities (current and non-current) on our balance sheet at September 30, 2010.

(3)		Represents securities held under a supplemental retirement and savings plan for certain officers and senior management employees, which are distributed upon termination or retirement of the employees. Included in long-term marketable securities on our balance sheet at March 31, 2011 and September 30, 2010.

Where applicable, we use quoted prices in active markets for identical assets or liabilities to determine fair value. This pricing applies to our Level 1 investments. To the extent quoted prices in active markets for assets or liabilities are not available, the valuation techniques used to measure the fair values of our financial assets incorporate market inputs, which include reported trades, broker/dealer quotes, benchmark yields, issuer spreads, benchmark securities and other inputs derived from or corroborated by observable market data. This methodology applies to our Level 2 investments. We have not changed our valuation techniques in measuring the fair value of any financial assets and liabilities during the period.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

We adopted the remaining provisions of the fair value measurement accounting and disclosure guidance related to non-financial assets and liabilities recognized or disclosed at fair value on a nonrecurring basis as of October 1, 2009. Assets and liabilities subject to this new guidance primarily include goodwill and indefinite-lived intangible assets measured at fair value for the purposes of our annual impairment assessment.

Derivative Financial Instruments

6 Months Ended

Mar. 31, 2011

Derivative Financial Instruments [Abstract]

Derivative Financial Instruments

8. Derivative Financial Instruments

We use derivative instruments to manage risks caused by fluctuations in foreign exchange rates. The primary objective of our derivative instruments is to protect the value of foreign currency denominated accounts receivable and cash balances from the effects of volatility in foreign exchange rates that might occur prior to conversion to their functional currency. We principally utilize foreign currency forward contracts, which enable us to buy and sell foreign currencies in the future at fixed exchange rates and economically offset changes in foreign currency exchange rates. We routinely enter into contracts to offset exposures denominated in the British pound, Euro and Canadian dollar.

Foreign currency denominated accounts receivable, liabilities and cash balances are re-measured at foreign currency rates in effect on the balance sheet date with the effects of changes in foreign currency rates reported in other expense, net. The forward contracts are not designated as hedges and are marked to market through other expense, net. Fair value changes in the forward contracts help mitigate the changes in the value of the re-measured accounts receivable and cash balances attributable to changes in foreign currency exchange rates. The forward contracts are short-term in nature and typically have average maturities at inception of less than three months.

The following tables summarize the fair value of our derivative instruments and their location in the consolidated balance sheet as of March 31, 2011 and September 30, 2010:

March 31, 2011

(In thousands)

Assets

Liabilities

Derivatives not designated as hedging instruments

Balance Sheet Location

Amount

Balance Sheet Location

Amount

Foreign currency forward contracts

Other current assets

—

Other current liabilities

—

September 30, 2010

(In thousands)

Assets

Liabilities

Derivatives not designated as hedging instruments

Balance Sheet Location

Amount

Balance Sheet Location

Amount

Foreign currency forward contracts

Other current assets

—

Other current liabilities

—

The following tables summarize our outstanding forward foreign currency contracts, by currency at March 31, 2011 and September 30, 2010:

March 31, 2011

Contract Amount

Fair Value

Foreign Currency

US$

(In thousands)

Sell foreign currency:

Canadian dollar (CAD)

CAD 1,200

1,236

—

Euro (EUR)

EUR 5,390

7,637

—

Buy foreign currency:

British pound (GBP)

GBP 3,243

5,200

—


	September 30, 2010
	Contract Amount			Fair Value
	Foreign Currency	US$		US$
	(In thousands)
Sell foreign currency:
Canadian dollar (CAD)	CAD 1,300	$	1,258	$	—
Euro (EUR)	EUR 5,460	$	7,446		—
Buy foreign currency:
British pound (GBP)	GBP3,672	$	5,800		—

The forward foreign currency contracts were all entered into on March 31, 2011 and September 30, 2010, respectively; therefore, their fair value was $0.

Gains (losses) on derivative financial instruments are recorded in our consolidated statements of income as a component of other income (expense), net. These amounts are shown for the quarter and six months ended March 31, 2011 and 2010 in the table below:


	Quarter Ended			Quarter Ended
	March 31, 2011			March 31, 2010
	(In thousands)
Foreign currency forward contracts	$	(126	)	$	(344	)

	Six Months Ended			Six Months Ended
	March 31, 2011			March 31, 2010
	(In thousands)
Foreign currency forward contracts	$	(249	)	$	(124	)

Income Taxes	6 Months Ended
Income Taxes	Mar. 31, 2011
Income Taxes [Abstract]
Income Taxes	9. Income Taxes Effective Tax Rate Our effective tax rate was 29.8% and 32.2% during the quarters ended March 31, 2011 and 2010, respectively, and 26.8% and 32.7% during the six months ended March 31, 2011 and 2010, respectively. The provision for income taxes during interim quarterly reporting periods is based on our estimates of the effective tax rates for the respective full fiscal year. The effective tax rate in any quarter can be affected positively or negatively by adjustments that are required to be reported in the specific quarter of resolution. The decrease in our effective tax rate year over year was due to the recognition of the 2010 extension of the Federal Research and Development credit and changes in the foreign and domestic earnings mix. The total unrecognized tax benefit for uncertain tax positions at March 31, 2011 and September 30, 2010 is estimated to be approximately $13.0 million and $12.3 million, respectively. We recognize interest expense related to unrecognized tax benefits and penalties as part of the provision for income taxes in our consolidated statements of income. As of March 31, 2011 and September 30, 2010, we have accrued interest of $1.5 million and $1.4 million, respectively, related to the unrecognized tax benefits.

Revolving Line of Credit	6 Months Ended
Revolving Line of Credit	Mar. 31, 2011
Revolving Line of Credit [Abstract]
Revolving Line of Credit	10. Revolving Line of Credit As of March 31, 2011 we had a $200 million unsecured revolving line of credit with a syndicate of banks that expires on October 20, 2011. Proceeds from the credit facility can be used for working capital and general corporate purposes and may also be used for the refinancing of existing debt, acquisitions, and the repurchase of the Company’s common stock. Interest on amounts borrowed under the credit facility is based on (i) a base rate, which is the greater of (a) the prime rate and (b) the Federal Funds rate plus 0.50% or (ii) LIBOR plus an applicable margin. The margin on LIBOR borrowings ranges from 0.30% to 0.55% and is determined based on our consolidated leverage ratio. In addition, we must pay utilization fees if borrowings and commitments under the credit facility exceed 50% of the total credit facility commitment, as well as facility fees. The credit facility contains certain restrictive covenants, including maintenance of consolidated leverage and fixed charge coverage ratios. The credit facility also contains covenants typical of unsecured facilities. As of March 31, 2011 and September 30, 2010, we had no borrowings outstanding under the credit facility.

Senior Notes	6 Months Ended
Senior Notes	Mar. 31, 2011
Senior Notes [Abstract]
Senior Notes	11. Senior Notes In May 2008, we issued $275 million of Senior Notes in a private placement to a group of institutional investors. The Senior Notes were issued in four series with maturities ranging from 5 to 10 years. The Senior Notes’ weighted average interest rate is 6.8% and the weighted average maturity is 7.9 years. In July 2010, we issued $245 million of Senior Notes in a private placement to a group of institutional investors. The Senior Notes were issued in four series with maturities ranging from 5 to 10 years. The Senior Notes’ weighted average interest rate is 5.2% and the weighted average maturity is 8.0 years. These Senior Notes are subject to certain restrictive covenants that are substantially similar to those in the credit agreement for the revolving line of credit, including maintenance of consolidated leverage and fixed charge coverage ratios. The purchase agreement for the Senior Notes also includes covenants typical of unsecured facilities.

Contingencies	6 Months Ended
Contingencies	Mar. 31, 2011
Contingencies [Abstract]
Contingencies	12. Contingencies We are in disputes with certain customers regarding amounts owed in connection with the sale of certain of our products and services. We also have had claims asserted by former employees relating to compensation and other employment matters. We are also involved in various other claims and legal actions arising in the ordinary course of business. We believe that none of these aforementioned claims or actions will result in a material adverse impact to our consolidated results of operations, liquidity or financial condition. However, the amount or range of any potential liabilities associated with these claims and actions, if any, cannot be determined with certainty. Set forth below are additional details concerning certain ongoing litigation. *Braun Consulting, Inc.* Braun (which we acquired in November 2004) was a defendant in a lawsuit filed on November 26, 2001, in the United States District Court for the Southern District of New York (Case No. 01 CV 10629) that alleges violations of federal securities laws in connection with Braun’s initial public offering in August 1999. This lawsuit is among approximately 300 coordinated putative class actions against certain issuers, their officers and directors, and underwriters with respect to such issuers’ initial public offerings. As successor-in-interest to Braun, we entered into a Stipulation and Agreement of Settlement along with most of the other defendant issuers in this coordinated litigation, where such issuers and their officers and directors would be dismissed with prejudice, subject to the satisfaction of certain conditions, including approval of the Court. Under the terms of this Agreement, we would not pay any amount of the settlement. However, since December 2006, certain procedural matters concerning the class status have been decided in the district and appellate courts of the Second Circuit, ultimately determining that no class status exists for the plaintiffs. Since there is no class status, there could be no agreement, thus the District Court entered an order formally denying the motion for final approval of the settlement agreement. On April 2, 2009, a stipulation and agreement of settlement between the plaintiffs, issuer defendants and underwriter defendants was submitted to the United States District Court for the Southern District of New York for preliminary approval. This settlement requires no financial contribution from us. The Court granted the plaintiffs’ motion for preliminary approval and preliminarily certified the settlement classes on June 10, 2009. The settlement “fairness” hearing was held on September 10, 2009. The Court granted the plaintiffs’ motion for final approval of the settlement and certified the settlement classes on October 5, 2009. The Court determined that the settlement is fair to the class members, approved the settlement and dismissed, with prejudice, the case against the Company and its individual defendants. Notices of appeal of the opinion granting final approval have been filed. Due to the inherent uncertainties of litigation and because the settlement remains subject to appeal, the ultimate outcome of the matter is uncertain.