Revolving Credit Facility (Details) (USD $)	6 Months Ended								6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014 Standby Letter of Credit [Member]	Aug. 02, 2014 Standby Letter of Credit [Member] Bank of America Credit Facility [Member]	Feb. 21, 2014 Accordion Feature [Member]	Feb. 21, 2014 Increase in Existing Facility [Member]	Feb. 01, 2014 Previous Revolving Credit Facility [Member]	Feb. 21, 2014 First Amendment to Facility [Member]	Aug. 02, 2014 Revolving Credit Facility [Member]	Feb. 21, 2014 Revolving Credit Facility [Member]	Feb. 21, 2014 First-In, Last-Out Revolving Loan Facility [Member]	Feb. 21, 2014 Letter of Credit [Member]	Feb. 01, 2014 Previous Accordion Feature [Member]	Aug. 02, 2014 Loan Agreement [Member]	May 23, 2014 Loan Agreement [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity on revolving credit line					$ 50,000,000	$ 25,000,000	$ 175,000,000	$ 230,000,000		$ 200,000,000	$ 30,000,000	$ 40,000,000	$ 75,000,000
Borrowings under revolving credit facility	75,500,000	0							75,500,000
Repayments under revolving credit facility	75,500,000	0							75,500,000
Face amount of debt														150,000,000	150,000,000
Debt Covenant, Borrowing Base Percentage, Triggering Event for Ratio Enablement	10.00%
Cash Dominion Event, Credit Availability Threshold Percentage	12.50%
Amount outstanding under revolving credit facility	0
Line of Credit Facility, Remaining Borrowing Capacity	166,200,000
Outstanding letter of credit			$ 200,000	$ 200,000