Share-Based Compensation (Tables)

6 Months Ended

Jul. 30, 2016

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

Schedule of Share-based Compensation, Stock Options, Activity

Stock option activity under the Plan was as follows:



	Options Outstanding		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)
Balance as of January 30, 2016	1,088,674		$	26.31	7.5
Granted	51,611		39.30
Forfeited	(14,313	)	38.99
Exercised	(196,281	)	13.30
Balance as of July 30, 2016	929,691		29.58		7.2
Exercisable as of July 30, 2016	535,017		$	25.84	6.4

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of each option award granted to employees, including outside directors, is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions:



	Thirteen Weeks Ended
	July 30, 2016		August 1, 2015
Expected volatility	47.6	%	47.0	%
Risk-free interest rate	1.6	%	1.8	%
Expected life of options	6.4 years		6.4 years
Expected dividend yield	—	%	—	%

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

RSU and PSU activity during the twenty-six weeks ended July 30, 2016 was as follows:



	Restricted Stock Units				Performance-Based Restricted Stock Units
	Number		Weighted-Average Grant Date Fair Value		Number		Weighted-Average Grant Date Fair Value
Non-vested balance as of January 30, 2016	211,682		$	33.47	477,463		$	36.48
Granted	107,878		40.70		127,160		39.22
Vested	(39,552	)	38.52		(77,260	)	38.83
Forfeited	(12,812	)	34.48		—		—
Non-vested balance as of July 30, 2016	267,196		$	35.59	527,363		$	36.80