Restructuring and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Aug. 01, 2015	Aug. 01, 2015	Jan. 31, 2015
Restructuring Cost and Reserve [Line Items]
Expected annual reduction in operating costs and expenses	$ 12,000
Restructuring Reserve [Abstract]
Other restructuring charges		$ 3,100
Other restructuring charges, after tax		2,100
Facility Closing
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	3,400
Restructuring charges incurred, after tax	2,100
Severance and Benefit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	1,700
Restructuring Reserve [Abstract]
Restructuring charges		1,673	$ 0
Cash payments		(1,675)	0
Non-cash charges		2	0
Liability	0	0	0
Severance and Benefit Costs [Member] | Selling, general and administrative expenses [Member]
Restructuring Reserve [Abstract]
Other restructuring charges		1,300
Lease Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	700
Restructuring Reserve [Abstract]
Restructuring charges		650	0
Cash payments		(650)	0
Non-cash charges		0	0
Liability	0	0	0
Lease Termination Costs [Member] | Selling, general and administrative expenses [Member]
Restructuring Reserve [Abstract]
Other restructuring charges		1,200
Accelerated depreciation of fixed assets [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	600
Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	400
Restructuring Reserve [Abstract]
Restructuring charges		484	7
Cash payments		(198)	0
Non-cash charges		(256)	7
Liability	30	30	0
Inventory-Related Charges [Member]
Restructuring Reserve [Abstract]
Restructuring charges		628	2,989
Cash payments		0	0
Non-cash charges		(628)	2,989
Liability	$ 0	0	$ 0
Change in income tax reserves [Member] | Interest expense [Member]
Restructuring Reserve [Abstract]
Other restructuring charges		$ 600