Goodwill and Intangible Assets Intangible Assets (Details) - USD ($)	3 Months Ended	12 Months Ended
	Feb. 03, 2017	Feb. 03, 2017	Jan. 29, 2016	Jan. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Gross	$ 325,102,000	$ 325,102,000	$ 325,102,000
Accumulated Amortization	(93,299,000)	(93,299,000)	(65,563,000)
Total	231,803,000	231,803,000	259,539,000
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross	355,220,000	355,220,000	355,220,000
Accumulated Amortization	(93,299,000)	(93,299,000)	(65,563,000)
Net	261,921,000	261,921,000	289,657,000
Amortization expense		27,700,000	28,300,000	$ 29,800,000
Impairment charges	0		0	$ 0
Trade name
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	30,118,000	30,118,000	30,118,000
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	189,518,000	189,518,000	189,518,000
Accumulated Amortization	(48,963,000)	(48,963,000)	(34,869,000)
Total	140,555,000	140,555,000	154,649,000
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(48,963,000)	(48,963,000)	(34,869,000)
Technology
Finite-Lived Intangible Assets [Line Items]
Gross	135,584,000	135,584,000	135,584,000
Accumulated Amortization	(44,336,000)	(44,336,000)	(30,694,000)
Total	91,248,000	91,248,000	104,890,000
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (44,336,000)	$ (44,336,000)	$ (30,694,000)