Stock-Based Compensation (Tables)

12 Months Ended

Jan. 28, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity

A summary of stock option activity under the Option Plan and the Stock Incentive Plan for fiscal 2016 is as follows:

	Options			Weighted-Average Exercise Price
Outstanding—January 30, 2016		6,535,573		$	55.71
Granted		3,062,234			35.82
Exercised		(175,585	)		28.61
Cancelled		(948,563	)		56.47
Outstanding—January 28, 2017		8,473,659		$	49.00

Schedule of Assumptions Used to Estimate Fair Value of Stock Options Issued

The fair value of stock options issued was estimated on the date of grant using the following assumptions:

	Year Ended
	January 28,			January 30,			January 31,
	2017			2016			2015
Expected volatility		44.9	%		37.7	%		39.7	%
Expected life (years)		6.5			6.5			6.5
Risk-free interest rate		1.4	%		1.8	%		2.0	%
Dividend yield		—			—			—

Summary of Additional Information about Stock Options

A summary of additional information about stock options is as follows:

	Year Ended
	January 28,		January 30,		January 31,
	2017		2016		2015
Weighted-average fair value per share of stock    options granted	$	15.88	$	36.43	$	26.92
Aggregate intrinsic value of stock options exercised    (in thousands)	$	1,238	$	32,590	$	62,015
Fair value of stock options vested (in thousands)	$	13,726	$	8,611	$	2,246

Schedule of Stock Options Outstanding, Vested or Expected to Vest, and Exercisable

Information about stock options outstanding, vested or expected to vest, and exercisable as of January 28, 2017 is as follows:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number of Options		Weighted- Average Remaining Contractual Life (in years)		Weighted- Average Exercise Price		Number of Options		Weighted- Average Exercise Price
$24.00 - $25.39		924,715		8.74	$	25.13		170,215	$	24.00
$25.88 - $39.42		1,449,833		8.13		32.48		760,083		31.09
$44.52 - $46.50		3,885,426		6.57		46.04		2,976,826		46.50
$56.27 - $69.64		637,415		7.15		61.60		221,710		61.78
$75.43 - $101.84		1,576,270		7.03		80.38		1,141,359		76.89
Total		8,473,659		7.20	$	49.00		5,270,193	$	50.77
Vested or expected to vest		7,950,844		7.08	$	49.37

Summary of Restricted Stock Award Activity

A summary of restricted stock award activity for fiscal 2016 is as follows:

	Awards			Weighted-Average Grant Date Fair Value		Intrinsic Value
Outstanding—January 30, 2016		805,915		$	73.11
Granted		864,367			40.18
Released		(173,458	)		64.68
Cancelled		(378,805	)		59.65	$	29,169,116
Outstanding—January 28, 2017		1,118,019		$	53.52

Summary of Additional Information about Restricted Stock Awards

A summary of additional information about restricted stock awards is as follows:

	Year Ended
	January 28,		January 30,		January 31,
	2017		2016		2015
Weighted-average fair value per share of awards    granted	$	40.18	$	90.14	$	63.59
Grant date fair value of awards released    (in thousands)	$	5,170	$	12,223	$	6,172