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Long-Term Debt - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended		6 Months Ended			6 Months Ended	3 Months Ended			6 Months Ended	3 Months Ended	6 Months Ended				3 Months Ended	6 Months Ended
	May 23, 2014	Apr. 24, 2014	Aug. 02, 2014	Aug. 03, 2013	Feb. 01, 2014	Aug. 02, 2014 Tranche 2	Aug. 02, 2014 Term Loan	Aug. 20, 2013 Term Loan	Aug. 03, 2013 Term Loan	Aug. 02, 2014 Term Loan	Aug. 20, 2013 Term Loan London Interbank Offered Rate (LIBOR)	Aug. 02, 2014 Term Loan London Interbank Offered Rate (LIBOR)	Aug. 02, 2014 Term Loan Tranche 1	Aug. 20, 2013 Term Loan Tranche 1	Aug. 20, 2013 Term Loan Tranche 2	Aug. 03, 2013 Previous Term Loan	Aug. 03, 2013 Previous Term Loan	Aug. 20, 2013 Previous Term Loan
Debt Instrument [Line Items]
Senior secured loan facility								$ 235,000						$ 185,000	$ 50,000			$ 125,000
Debt instrument maturity date										Aug. 20, 2019
Debt instrument discount at issuance			2,448		2,693		2,448	2,938		2,448
Quarterly loan repayment										588
Debt instrument maturity date, start date										Nov. 01, 2013
Debt instrument maturity date, end date										Aug. 20, 2019
Debt instrument, interest rate term									term loan that bore interest equal to the three-month LIBOR, which could not be less than 1.50%, plus an applicable margin of 7.00%. The interest rate on this term loan was fixed at 8.5% during fiscal year 2013 until the Company repaid it on August 20, 2013, because LIBOR was never more than 1.50% during that time.	The Term Loans bear interest at a rate per annum equal to the one-, two-, three-, or six-month LIBOR (or, the nine- or 12-month LIBOR), as defined in the term loan agreement, at the Company’s election, which cannot be less than 1.25%, plus an applicable margin of 6.00% and 10.75% for the $185,000 tranche and $50,000 tranche, respectively. Since LIBOR has been less than 1.25% since the inception of the Term Loans through August 2, 2014, the interest rates have been fixed at 7.25% and 12.0% on the $185,000 tranche and $50,000 tranche, respectively.
Term loan, interest rate											1.50%	1.25%
Debt instrument applicable margin						10.75%		7.00%					6.00%
Debt instrument fixed interest rate						12.00%		8.50%					7.25%
Unscheduled prepayment of debt	3,094	70,299
Long-term debt			156,902		231,132		156,902			156,902
Amortization of discount on debt and deferred financing fees			$ 674	$ 738			$ 123			$ 245						$ 115	$ 230

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Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Minimum contractual interest rate for funds borrowed, under the debt agreement.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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Amount of the required periodic payments including both interest and principal payments.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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