Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Restructuring Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 01, 2019	Feb. 02, 2018	Jan. 27, 2017
Restructuring Cost and Reserve [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 175,000	$ 175,000
Letter of Credit Limit	70,000
Depreciation and amortization	27,558	24,910	$ 19,003
Restructuring Reserve	1,309	2,674	0
Restructuring Reserve, Period Increase (Decrease)	(1,365)	(1,793)
Restructuring Reserve, Period Increase (Decrease)		3,921
Restructuring Reserve, Settled without Cash		546
One-time Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0	608	0
Restructuring Reserve, Period Increase (Decrease)	(608)	(1,793)
Restructuring Reserve, Period Increase (Decrease)		2,401
Restructuring Reserve, Settled without Cash		0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,309	2,066	$ 0
Restructuring Reserve, Period Increase (Decrease)	$ (757)	0
Restructuring Reserve, Period Increase (Decrease)		1,520
Restructuring Reserve, Settled without Cash		$ 546