Common Stock Options (Tables)

3 Months Ended

May 04, 2013

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

Activity Related to Restricted Shares of Common Stock

The following table summarizes the activity related to the restricted shares of common stock (in thousands):

	Number of shares		Deposit liability
Unvested, February 2, 2013	31,542		$	308
Vested	(11,137	)	(80		)
Unvested, May 4, 2013	20,405		$	228

Schedule of Stock Option Activity Under Plan

Stock option activity under the Plan was as follows:

	Options outstanding		Weighted average exercise price		Weighted average remaining contractual term
Balance at February 2, 2013	1,187,817		$	10.43	9.3
Granted	122,250		37.22
Forfeited	(4,843	)	4.95
Exercised	(36,781	)	4.28
Balance at May 4, 2013	1,268,443		$	13.21	8.9
Exercisable at May 4, 2013	56,158		$	10.73	7.2

Schedule of Fair Value of Option Award Granted Weighted Average Assumptions

The fair value of each option award granted to employees, including outside directors, is estimated on the date of grant and the fair value of each option award granted to non-employees is estimated on the date of grant and is required to be periodically revalued over the contractual period until the option award is exercised or forfeited using the Black-Scholes option-pricing model with the following weighted average assumptions:

	Thirteen Weeks Ended
	May 4, 2013		April 28, 2012
Expected volatility	50.0	%	50.0	%
Risk-free interest rate	1.1	%	1.5	%
Expected life of options - for employee grants	6.3 years		7.0 years
Expected dividend yield	—	%	—	%