Stock-Based Compensation (Tables)

6 Months Ended

May 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Restricted Stock Unit Activity

Restricted stock unit activity for the six months ended May 31, 2013 and the fiscal year ended November 30, 2012 was as follows (in thousands):

	2013		2012
Beginning outstanding balance	18,415		16,871
Awarded	6,190		9,431
Released	(5,402	)	(5,854	)
Forfeited	(899	)	(2,147	)
Increase due to acquisition	—		114
Ending outstanding balance	18,304		18,415

Restricted Stock Units Outstanding

Information regarding restricted stock units outstanding at May 31, 2013 and June 1, 2012 is summarized below:

	Number of Shares (thousands)	Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value(*) (millions)
2013
Restricted stock units outstanding	18,304	1.47	$	785.4
Restricted stock units vested and expected to vest	16,009	1.40	$	684.6
2012
Restricted stock units outstanding	18,674	1.74	$	555.6
Restricted stock units vested and expected to vest	15,949	1.64	$	473.7

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^(*)  The intrinsic value is calculated as the market value as of the end of the fiscal period. As reported by the NASDAQ Global Select Market, the market values as of May 31, 2013 and June 1, 2012 were $42.91 and $29.82, respectively. 

Performance Share Activity Current Year Program

	Shares Granted		Maximum Shares Eligible to Receive
Beginning outstanding balance	—		—
Awarded	945		1,891
Forfeited	(64	)	(128	)
Ending outstanding balance	881		1,763

Performance Share Activity Prior Years Programs

The following table sets forth the summary of performance share activity under our 2010, 2011 and 2012 programs, based upon share awards actually achieved, for the six months ended May 31, 2013 and the fiscal year ended November 30, 2012 (in thousands):

	2013		2012
Beginning outstanding balance	388		405
Achieved	1,279		492
Released	(665	)	(464	)
Forfeited	(125	)	(45	)
Ending outstanding balance	877		388

Performance Shares Outstanding

Information regarding performance shares outstanding at May 31, 2013 and June 1, 2012 is summarized below: 

	Number of Shares (thousands)	Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value(*) (millions)
2013
Performance shares outstanding	877	1.08	$	37.6
Performance shares vested and expected to vest	793	1.06	$	33.9
2012
Performance shares outstanding	434	1.03	$	12.9
Performance shares vested and expected to vest	394	1.01	$	11.7

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^(*)  The intrinsic value is calculated as the market value as of the end of the fiscal period. As reported by the NASDAQ Global Select Market, the market values as of May 31, 2013 and June 1, 2012 were $42.91 and $29.82, respectivel

Assumptions Used to Value Option Grants

The assumptions used to value option grants during the three and six months ended May 31, 2013 and June 1, 2012 were as follows: 

	Three Months				Six Months
	2013		2012		2013		2012
Expected life (in years)	3.2		4.2		3.2		3.9 - 4.2
Volatility	27	%	31	%	27	%	31 - 34%
Risk free interest rate	0.36	%	0.71	%	0.36	%	0.54 - 0.71%

Assumptions Used to Value Employee Stock Purchase Rights

There were no stock purchases under the employee stock purchase plan (“ESPP”) during the three months ended May 31, 2013 and June 1, 2012. The assumptions used to value employee stock purchase rights during the six months ended May 31, 2013 and June 1, 2012 were as follows:

	Six Months
	2013	2012
Expected life (in years)	0.5 - 2.0	0.5 - 2.0
Volatility	26 - 30%	36	%
Risk free interest rate	0.12 - 0.27%	0.06 - 0.27%

Stock Option Activity

Option activity for the six months ended May 31, 2013 and the fiscal year ended November 30, 2012 was as follows (in thousands):

	2013		2012
Beginning outstanding balance	24,517		34,802
Granted	25		57
Exercised	(10,462	)	(6,754	)
Cancelled	(1,429	)	(4,692	)
Increase due to acquisition	129		1,104
Ending outstanding balance	12,780		24,517

Stock Options Outstanding

Information regarding stock options outstanding at May 31, 2013 and June 1, 2012 is summarized below:

	Number of Shares (thousands)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value(*) (millions)
2013
Options outstanding	12,780	$	31.84	2.89	$	142.1
Options vested and expected to vest	12,576	$	31.95	2.84	$	138.5
Options exercisable	10,387	$	33.05	2.36	$	102.9
2012
Options outstanding	27,392	$	31.26	3.27	$	87.0
Options vested and expected to vest	26,741	$	31.38	3.20	$	82.9
Options exercisable	21,503	$	32.82	2.63	$	47.0

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^(*)  The intrinsic value is calculated as the difference between the market value as of the end of the fiscal period and the exercise price of the shares. As reported by the NASDAQ Global Select Market, the market values as of May 31, 2013 and June 1, 2012 were $42.91 and $29.82, respectively

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

Total stock-based compensation costs that have been included in our Condensed Consolidated Statements of Income for the three months ended May 31, 2013 and June 1, 2012 were as follows (in thousands):

	2013				2012
Income Statement Classifications	Option Grants and Stock Purchase Rights		Restricted Stock and Performance Share Awards		Option Grants and Stock Purchase Rights		Restricted Stock and Performance Share Awards
Cost of revenue—subscription	$	446	$	1,181	$	701	$	714
Cost of revenue—services and support	826		2,360		702		2,373
Research and development	4,734		23,210		4,217		20,288
Sales and marketing	4,893		24,026		6,387		19,373
General and administrative	2,146		15,048		3,990		12,654
Total	$	13,045	$	65,825	$	15,997	$	55,402

Total stock-based compensation costs that have been included in our Condensed Consolidated Statements of Income for the six months ended May 31, 2013 and June 1, 2012 were as follows (in thousands):

	2013				2012
Income Statement Classifications	Option Grants and Stock Purchase Rights		Restricted Stock and Performance Share Awards		Option Grants and Stock Purchase Rights		Restricted Stock and Performance Share Awards
Cost of revenue—subscription	$	1,083	$	2,244	$	1,443	$	1,317
Cost of revenue—services and support	1,681		4,810		1,818		4,443
Research and development	10,554		48,941		11,416		38,369
Sales and marketing	11,560		47,778		15,167		36,289
General and administrative	4,660		29,755		8,490		24,228
Total	$	29,538	$	133,528	$	38,334	$	104,646