Pension Plan's Funded Status (Detail) (Noncontributory Pension Plan, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012
Noncontributory Pension Plan
Change in benefit obligation:
Balance at beginning of period	$ 14,882	$ 12,418
Benefits and expenses paid	(525)	(525)
Service and interest costs	661	705
Settlements	(19)	(369)
Actuarial loss	1,155	2,653
Balance at end of year	16,154	14,882
Change in fair value of plan assets
Balance at beginning of period	10,105	9,927
Actual return on plan assets	1,529	386
Employer contributions	723	686
Settlements	(19)	(369)
Benefits and expenses paid	(525)	(525)
Balance at end of period	11,813	10,105
Reconciliation of Funded Status
Projected benefit obligation	16,154	14,882
Fair value of plan assets	11,813	10,105
Unfunded Status	(4,341)	(4,777)
Balance Sheet Classification
Other long-term liabilities	$ 4,341	$ 4,777