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Long-Term Debt - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended		9 Months Ended			0 Months Ended	3 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended			9 Months Ended		3 Months Ended	9 Months Ended
	May 23, 2014	Apr. 24, 2014	Nov. 01, 2014	Nov. 02, 2013	Feb. 01, 2014	Aug. 20, 2013 Term Loan	Nov. 01, 2014 Term Loan	Nov. 01, 2014 Term Loan	Nov. 01, 2014 Term Loan Prior Period	Aug. 20, 2013 Term Loan London Interbank Offered Rate (LIBOR)	Nov. 01, 2014 Term Loan London Interbank Offered Rate (LIBOR)	Nov. 01, 2014 Term Loan Tranche 1	Aug. 20, 2013 Term Loan Tranche 1	Nov. 01, 2014 Term Loan Tranche 2	Aug. 20, 2013 Term Loan Tranche 2	Nov. 02, 2013 Previous Term Loan	Nov. 02, 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 discount at issuance			2,326		2,693	2,938	2,326	2,326
Quarterly loan principal repayment								588
Debt instrument, date of first required payment								Nov. 01, 2013
Debt instrument maturity date, end date								Aug. 20, 2019
Debt instrument, interest rate term								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 November 1, 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 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.
Debt instrument applicable margin						7.00%				1.50%	1.25%	6.00%		10.75%
Debt instrument fixed interest rate						8.50%						7.25%		12.00%
Unscheduled principal prepayment of debt	3,094	70,299
Long-term debt			156,437		231,132		156,437	156,437
Amortization of discount on debt and deferred financing fees			$ 977	$ 6,607			$ 122	$ 368								$ 115	$ 345

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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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Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

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

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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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Latest 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 applied to principal.

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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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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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