Asset Impairments and Other Charges and Discontinued Operations - Noncurrent Provision for Discontinued Operations (Details) (USD $)	3 Months Ended
	May 02, 2015	May 03, 2014	Jan. 31, 2015
Accrued Provision for Discontinued Operations
Additional provision	$ (111,000)	$ (206,000)
Current provision for discontinued operations	10,537,000	7,756,000	10,505,000
Total Noncurrent Provision for Discontinued Operations	4,230,000	4,765,000	4,254,000
Facility Shutdown Costs
Accrued Provision for Discontinued Operations
Balance at beginning of period	14,759,000	11,375,000
Additional provision	111,000	2,711,000
Charges and adjustments, net	(103,000)	673,000
Balance at end of period	14,767,000
Current provision for discontinued operations	10,537,000
Total Noncurrent Provision for Discontinued Operations	4,230,000
Environmental provision	14,100,000
Current environmental provision for discontinued operations	$ 10,500,000