Revolving Credit Facility (Details) - USD ($)			12 Months Ended
	May. 09, 2016	Aug. 18, 2015	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014	Aug. 17, 2015	May. 23, 2014	Feb. 21, 2014	Feb. 20, 2014	Jun. 30, 2012	Sep. 30, 2011
Line of Credit Facility
Cash dominion event, credit availability threshold percentage			12.50%
Minimum availability percentage of borrowing or commitments			10.00%
Remaining borrowing capacity			$ 130,800,000
Repayments under revolving credit facility			45,000,000	$ 75,500,000	$ 0
Previous Revolving Credit Facility
Line of Credit Facility
Maximum borrowing capacity								$ 200,000,000.0	$ 175,000,000.0		$ 175,000,000.0
Total Amended Revolving Credit Facility
Line of Credit Facility
Maximum borrowing capacity								230,000,000.0
First-In, Last-Out Revolving Loan Facility
Line of Credit Facility
Maximum borrowing capacity								30,000,000.0
Increase in borrowing capacity		$ 40,000,000
Increase in Existing Facility
Line of Credit Facility
Maximum borrowing capacity								25,000,000.0
Letter of Credit
Line of Credit Facility
Maximum borrowing capacity								40,000,000.0		$ 250,000
Long-term Line of Credit			250,000
Previous Accordion Feature
Line of Credit Facility
Maximum borrowing capacity									$ 75,000,000.0
Accordion Feature
Line of Credit Facility
Maximum borrowing capacity								$ 50,000,000.0
Fourth Amendment to Facility
Line of Credit Facility
Maximum borrowing capacity		$ 215,000,000				$ 230,000,000
Loan Agreement
Line of Credit Facility
Principal amount			$ 150,000,000.0				$ 150,000,000.0
Subsequent Event | Total Amended Revolving Credit Facility
Line of Credit Facility
Repayments under revolving credit facility	$ 73,400,000