Summary of Activity for Non-vested Shares (Restricted Shares) (Parenthetical) (Detail) (Deferred Stock, USD $)	6 Months Ended
	Aug. 02, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	5,448
Employee Stock Plan, 2006 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	5,448	[1]
Shares granted during the period, fair value	$ 28,560

[1] During the first six months of fiscal 2014, the Company granted 5,448 shares of deferred stock, with a fair value of approximately $28,560 to a director as compensation in lieu of cash and in accordance with his irrevocable election. The shares of deferred stock will vest three years from the date of grant. The Company is recognizing compensation expense over the respective vesting periods.