Benefit Plans (Details) (USD $)	3 Months Ended
	May 03, 2014	May 04, 2013
Compensation and Retirement Disclosure [Abstract]
Employer contributions to pension plan	$ 600,000
Expected employer contributions to pension plan for remainder of current fiscal year	2,200,000
Components of net periodic benefit costs:
Service cost	1,099,000	1,059,000
Interest cost	1,911,000	1,696,000
Net actuarial loss	665,000	753,000
Amortization of prior service cost	0	24,000
Plan curtailment gain	0	(1,480,000)
Net periodic benefit costs	$ 3,675,000	$ 2,052,000