Asset Impairment and Restructuring - Schedule of Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 28, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jan. 28, 2018	Jan. 29, 2017	Jan. 31, 2016
Costs recorded in cost of goods sold:
Provision to reduce inventories to net realizable value									$ 16,400	$ 16,100	$ 14,200
Costs recorded in operating expenses:
Impairment of property and equipment									11,593	0	0
Asset impairment and restructuring costs	$ 2,001	$ 21,007	$ 3,186	$ 12,331	$ 0	$ 0	$ 0	$ 0	38,525	0	0
Restructuring and related costs									47,223	$ 0	$ 0
ivivva | Facility closing
Costs recorded in cost of goods sold:
Provision to reduce inventories to net realizable value									4,945
Accelerated depreciation									3,753
Restructuring costs recorded in cost of goods sold									8,698
Costs recorded in operating expenses:
Lease termination costs									21,069
Impairment of property and equipment				$ 11,600					11,593
Employee related costs									4,226
Other restructuring costs									1,637
Asset impairment and restructuring costs									38,525
Restructuring and related costs									$ 47,223