Basis of Presentation Impact of Adoption of New Revenue Recognition Standard on Statement of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017		Aug. 04, 2018	Jul. 29, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	$ 369,294	$ 377,081		$ 713,523	$ 685,688
Credit income	14,305	13,190	[1]	29,819	26,118	[1]
Total revenues	383,599	390,271	[1]	743,342	711,806	[1]
Selling, general and administrative expenses	$ 110,914	113,833	[1]	$ 218,191	215,270	[1]
Accounting Standards Update 2014-09 | Scenario, Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		377,081			685,688
Total revenues		377,081			685,688
Selling, general and administrative expenses		100,643			189,152
Accounting Standards Update 2014-09 | Restatement Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Credit income		13,190			26,118
Total revenues		13,190			26,118
Selling, general and administrative expenses		$ 13,190			$ 26,118

[1] As Adjusted