Supplemental Plan's Funded Status (Detail) (Supplemental Employee Retirement Plans, Defined Benefit, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012
Supplemental Employee Retirement Plans, Defined Benefit
Change in benefit obligation:
Balance at beginning of period	$ 629	$ 541
Benefits and expenses paid	(30)	(30)
Actuarial loss (gain)	30	88
Service and interest costs	27	30
Balance at end of year	656	629
Change in fair value of plan assets
Balance at beginning of period
Employer contributions	30	30
Benefits and expenses paid	(30)	(30)
Balance at end of period
Projected benefit obligation	656	629
Reconciliation of Funded Status
Projected benefit obligation	656	629
Fair value of plan assets
Underfunded Status	$ (656)	$ (629)