Income Taxes (Tables)

12 Months Ended

Nov. 30, 2013

Income Tax Disclosure [Abstract]

Income Before Provision For Income Taxes

Income before provision for income taxes consisted of the following (in thousands):

	Year Ended November 30,
	2013		2012		2011
United States	$	22,211	$	33,056	$	51,159
International	88,397		122,258		98,776
	$	110,608	$	155,314	$	149,935

Significant Components Of Provision For (Benefit From) Income Taxes

Significant components of the provision for (benefit from) income taxes are as follows (in thousands):

	Year Ended November 30,
	2013			2012			2011
Federal:
Current	$	24,829		$	29,554		$	14,619
Deferred	(13,809		)	(12,231		)	2,364
	11,020			17,323			16,983
State:
Current	865			1,078			1,925
Deferred	(53		)	(2,345		)	1,341
	812			(1,267		)	3,266
Foreign:
Current	17,103			22,919			19,490
Deferred	(2,535		)	(5,775		)	(2,439		)
	14,568			17,144			17,051
Provision for income taxes	$	26,400		$	33,200		$	37,300

Provision For Income Taxes At Rates Other Than United States Federal Statutory Tax Rate

The provision for income taxes was at rates other than the United States federal statutory tax rate for the following reasons:

	Year Ended November 30,
	2013		2012		2011
U.S. Federal statutory rate	35.0	%	35.0	%	35.0	%
State taxes	(1.4	)	(2.2	)	1.8
Research and development credits	(5.8	)	(1.3	)	(2.7	)
Stock option compensation	0.5		(2.1	)	1.6
Foreign income taxed at different rate	(4.3	)	(7.5	)	(5.9	)
Change in valuation allowance	—		—		(2.5	)
Domestic manufacturing incentives	(1.6	)	(1.4	)	(1.1	)
Other	1.4		0.9		(1.3	)
Effective tax rate	23.8	%	21.4	%	24.9	%

Components Of Deferred Tax Assets (Liabilities)

The components of deferred tax assets (liabilities) are as follows (in thousands):

	November 30,
	2013			2012
Deferred tax assets:
Net operating loss carryforwards	$	65,814		$	62,616
Reserves, accruals and foreign related items	13,680			13,204
Credit carryforwards	21,685			18,534
Depreciation and amortization	10,073			10,073
Deferred revenue	6,247			8,746
Translation gains/losses	2,849			5,673
Stock-based compensation	31,866			28,690
Other	556			94
	152,770			147,630
Deferred tax liabilities:
Intangible assets	(26,206		)	(37,590		)
Convertible debt	(21,680		)	(26,573		)
Other	(485		)	(884		)
	(48,371		)	(65,047		)
Net deferred tax assets before valuation allowance	104,399			82,583
Net deferred tax assets	$	104,399		$	82,583

Reconciliation Of Unrecognized Tax Benefits

A reconciliation of the unrecognized tax benefits for the fiscal years ended November 30, 2013, 2012, and 2011 are as follows (in thousands):

	November 30,
	2013			2012			2011
Gross unrecognized tax benefits balance at beginning of year	$	54,516		$	43,619		$	35,782
Increases for tax positions of current fiscal year	27,784			8,136			8,449
Increases for tax positions of prior fiscal years	7,245			4,031			962
Lapse of statutes of limitation	(1,708		)	(1,270		)	(1,574		)
Gross unrecognized tax benefits at end of year	87,837			54,516			43,619
Interest and penalties	1,895			881			761
Total unrecognized tax benefits balance at end of year	$	89,732		$	55,397		$	44,380