Asset Impairments and Other Charges and Discontinued Operations - Noncurrent Provision for Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014	Jan. 31, 2015
Accrued Provision for Discontinued Operations
Additional provision	$ (570)	$ (144)	$ (801)	$ (472)
Current provision for discontinued operations	10,904	7,759	10,904	7,759	$ 10,505
Total Noncurrent Provision for Discontinued Operations	4,272	$ 4,790	4,272	4,790	4,254
Facility Shutdown Costs
Accrued Provision for Discontinued Operations
Balance at beginning of period			14,759	$ 11,375	11,375
Additional provision			801		2,711
Charges and adjustments, net			(384)		673
Balance at end of period	15,176		15,176		$ 14,759
Current provision for discontinued operations	10,904		10,904
Total Noncurrent Provision for Discontinued Operations	$ 4,272		4,272
Environmental provision			14,500
Current environmental provision for discontinued operations			$ 10,900