Supplemental Executive Retirement Plan (Details) (USD $)	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012	Feb. 02, 2013
Components of net periodic pension cost to comprehensive income
Interest cost	$ 586,000	$ 598,000	$ 1,172,000	$ 1,196,000
Net amortization of unrecognized prior service cost	156,000	155,000	311,000	310,000
Net amortization of actuarial losses	277,000	835,000	554,000	1,670,000
Net periodic defined benefit pension cost	1,019,000	1,588,000	2,037,000	3,176,000
Impact of plan amendment on projected benefit obligation and unrecognized prior service cost	4,529,000		4,529,000
Cash surrender values of the insurance policies held in a rabbi trust	50,400,000		50,400,000		47,900,000
Gain (loss) as a result of the change in value of the insurance policy investments, included in other income and expense	$ 1,100,000	$ (500,000)	$ 2,600,000	$ 700,000