Income Taxes (Tables)

12 Months Ended

Jan. 31, 2012

Domestic and Foreign Pre-tax Income (Loss)

Domestic and foreign pre-tax income (loss) was as follows:

Year ended January 31,	2012			2011			2010
Domestic	$	(62,943	)	$	(56,810	)	$	(75,899	)
Foreign		145,267			88,822			56,258
Total pre-tax income (loss)	$	82,324		$	32,012		$	(19,641	)

(Provision) Benefit for Income Taxes

The provision (benefit) for income taxes was as follows:

Year ended January 31,	2012			2011			2010
Current:
Federal	$	475		$	(826	)	$	(1,846	)
State		137			250			407
Foreign		(2,731	)		9,028			3,501
Total current		(2,119	)		8,452			2,062
Deferred:
Federal and state		695			468			(163	)
Foreign		361			(5,492	)		349
Total deferred		1,056			(5,024	)		186
Total provision (benefit) for income taxes	$	(1,063	)	$	3,428		$	2,248

Difference of Effective Tax Rate from Federal Tax Rate

Year ended January 31,	2012			2011			2010
Federal tax, at statutory rate	$	28,813		$	11,204		$	(6,875	)
State tax, net of federal benefit		137			251			833
Impact of international operations including withholding taxes and other reserves		(53,499	)		(30,308	)		(18,025	)
Dividends		1,364			2,364			1,597
Foreign tax credits		(411	)		(241	)		(241	)
Costs incurred for stock of acquired business		98			(3	)		562
Tax credits (excluding foreign tax credits)		(9,677	)		(9,697	)		(7,610	)
Amortization of deferred charge		323			657			1,349
U.S. losses and tax credits for which no benefit has been realized		28,275			24,574			25,196
Stock based compensation expense		2,947			2,663			4,986
Non-deductible meals and entertainment		1,096			1,117			943
Other, net		(529	)		847			(467	)
Provision (benefit) for income taxes	$	(1,063	)	$	3,428		$	2,248

Significant Components Of Deferred Income Tax Provision (Benefit)

The significant components of the deferred income tax provision (benefit) were as follows:

Year ended January 31,	2012			2011			2010
Net changes in gross deferred tax assets and liabilities	$	(10,491	)	$	(20,381	)	$	(19,765	)
Deferred tax assets increasing goodwill		(1,747	)		(5,618	)		(567	)
Deferred tax assets reducing/(increasing) equity		36			(1,178	)		506
Deferred tax assets increasing deferred charge and other liabilities		(1,690	)		(305	)		(13,823	)
Increase in beginning-of-year balance of the valuation allowance for deferred tax assets		14,948			22,458			33,835
Total deferred income tax provision (benefit)	$	1,056		$	(5,024	)	$	186

Tax Effects of Temporary Differences and Carryforwards on Deferred Tax Assets and Liabilities

The tax effects of temporary differences and carryforwards, which gave rise to significant portions of deferred tax assets and liabilities, were as follows:

As of January 31,	2012			2011
Deferred tax assets:
Depreciation of property, plant, and equipment	$	232		$	1,393
Reserves and allowances		9,509			3,746
Accrued expenses not currently deductible		22,267			25,337
Stock-based compensation expense		14,902			14,832
Net operating loss carryforwards		68,746			56,221
Tax credit carryforwards		57,198			47,163
Purchased technology and other intangible assets		15,070			16,365
Deferred revenue		1,563			1,793
Other, net		8,086			8,427
Total gross deferred tax assets		197,573			175,277
Less valuation allowance		(147,984	)		(133,036	)
Deferred tax assets		49,589			42,241
Deferred tax liabilities:
Intangible assets		(21,578	)		(22,572	)
Convertible debt		(15,607	)		(2,808	)
Deferred tax liabilities		(37,185	)		(25,380	)
Net deferred tax assets	$	12,404		$	16,861

U.S. Federal and State Carryforwards for Income Tax Purposes

As of January 31, 2012, we had the following foreign and U.S. Federal and state carryforwards for income tax purposes:

Credit or carryforward	As of January 31, 2012		Expiration
Federal credits and carryforwards:
Research & expermination credit carryforward	$	52,175	Fiscal 2019 -2032
Net operating loss carryforward	$	234,999	Fiscal 2019 -2032
Foreign tax credits	$	4,748	Fiscal 2015 -2022
Alternative minimum tax credits	$	2,683	No expiration
Childcare credits	$	1,363	Fiscal 2023 and 2032
State income tax credits and carryforwards:
Net operating loss carryforward	$	200,581	Fiscal 2012 - 2031
Research and experimentation	$	11,394	Fiscal 2012 - 2026
Miscellaneous	$	1,086	Various
Foreign net operating loss carryforwards	$	13,155	Generally indefinite

Schedule Of Changes In Unrecognized Tax Position

The below schedule shows the gross changes in unrecognized tax benefits associated with uncertain tax positions for the years ending January 31, 2012 and 2011:

Unrecognized tax benefits as of January 31, 2010	$	39,910
Gross increases—tax positions in prior period		6,771
Gross decreases—tax positions in prior period		(931	)
Gross increases—tax positions in current period		6,099
Settlements		(141	)
Lapse of statute of limitations		(3,481	)
Cumulative translation adjustment		2,469
Unrecognized tax benefits as of January 31, 2011	$	50,696
Gross increases—tax positions in prior period		647
Gross decreases—tax positions in prior period		(189	)
Gross increases—tax positions in current period		3,484
Lapse of statute of limitations		(12,084	)
Cumulative translation adjustment		(649	)
Unrecognized tax benefits as of January 31, 2012	$	41,905