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

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Prior Credit Agreements - Additional Information (Detail)				12 Months Ended
	Dec. 11, 2014 USD ($)	Oct. 11, 2013 USD ($)	Jul. 14, 2011 USD ($)	Dec. 30, 2015 USD ($) Agreement	Dec. 31, 2014 USD ($)	Dec. 25, 2013 USD ($)	Jul. 30, 2014 USD ($)
Debt Instrument [Line Items]
Applicable margin for lien credit agreement				1.00%
Call premium					$ 1,526,000	$ 7,913,000
Debt maturity date				Dec. 11, 2019
Variable rate basis				(a) the federal funds rate plus 0.50%, (b) the prime rate of Bank of America, or (c) LIBOR plus 1.00%. For LIBOR loans, the margin is in the range of 1.75% to 2.50%, and for base rate loans the margin is in the range of 0.75% and 1.50%. The margin was initially set at 2.00% for LIBOR loans and at 1.00% for base rate loans until the delivery of financial statements and a compliance certificate for the first quarter of 2015. The interest rate range was 1.94% to 2.63% during fiscal 2015 and was 2.02% at December 30, 2015.
LIBOR [Member]
Debt Instrument [Line Items]
Applicable margin for lien credit agreement				1.00%
Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Senior secured term loan							$ 100,000,000
Second Priority Senior Secured Notes Due January 2018 [Member]
Debt Instrument [Line Items]
Debt maturity		2018-01
Senior Secured Notes Due Two Thousands Seventeen [Member]
Debt Instrument [Line Items]
Debt maturity		2017-07
2013 First Lien Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit agreement				A new first lien credit agreement (the “2013 First Lien Credit Agreement”) that included a $190 million senior secured term loan (the “2013 First Lien Term Loan”) and a senior secured revolving credit facility of $15 million (the “2013 Revolver”) that, in each case, was to mature in October 2018
Repayment of secured debt using company fund		$ 14,400,000
Debt maturity		2018-10
Debt, unamortized discount		$ 950,000				910,000
Interest payment intervals				Three-month intervals
Write off of the remaining unamortized deferred finance costs				$ 8,100,000
2013 First Lien Credit Agreement [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Applicable margin for lien credit agreement		4.25%
Floor rate on term loan		1.00%
2013 First Lien Credit Agreement [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Applicable margin for lien credit agreement		3.25%
2013 First Lien Credit Agreement [Member] \| Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Senior secured term loan		$ 15,000,000
Revolving line of credit						15,000,000
Amount of borrowings available				$ 69,800,000		7,700,000
Letters of credit outstanding						7,300,000
2013 First Lien Credit Agreement [Member] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Senior secured term loan		$ 190,000,000
2013 First Lien Credit Agreement [Member] \| Second Priority Senior Secured Notes Due January 2018 [Member]
Debt Instrument [Line Items]
Debt instrument, stated percentage		17.00%
2013 First Lien Credit Agreement [Member] \| First Lien Term Loan [Member]
Debt Instrument [Line Items]
Percentage of quarterly principal payment		0.25%
Second Lien Facility [Member]
Debt Instrument [Line Items]
Line of credit agreement				A new second lien credit agreement (the “2013 Second Lien Credit Agreement” and, together with the 2013 First Lien Credit Agreement, the “2013 Credit Agreements”) that included a $100 million second lien term loan (the “2013 Second Lien Term Loan” and, together with the 2013 First Lien Term Loan, the “2013 Term Loans”) that was to mature in April 2019.
Second Lien Facility [Member] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Senior secured term loan		$ 100,000,000
Prior Credit Agreements [Member]
Debt Instrument [Line Items]
Write off of the remaining unamortized deferred finance costs		3,200,000
Write off of the unamortized discount		2,000,000
Call premium		4,600,000
Prior Credit Agreements [Member] \| Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Senior secured term loan			$ 12,500,000
Debt maturity			2016-07
Prior Credit Agreements [Member] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Senior secured term loan			$ 170,000,000
Debt maturity			2017-07
Write off of the remaining unamortized deferred finance costs	$ 3,900,000	5,100,000
Write off of the unamortized discount	$ 700,000	3,200,000
Call premium		3,300,000
Prior Credit Agreements [Member] \| Second Priority Senior Secured Notes Due January 2018 [Member]
Debt Instrument [Line Items]
Senior secured term loan			$ 105,000,000
Debt instrument, stated percentage			17.00%
Debt maturity			2018-01
Debt, unamortized discount			$ 3,200,000
Write off of the remaining unamortized deferred finance costs		2,700,000
Write off of the unamortized discount		900,000
Call premium		1,500,000
Debt maturity date			Jan. 10, 2018
Prior Credit Agreements [Member] \| Second Priority Senior Secured Notes Due January 2018 [Member] \| Cash Interest [Member]
Debt Instrument [Line Items]
Debt instrument, stated percentage			12.50%
Prior Credit Agreements [Member] \| Second Priority Senior Secured Notes Due January 2018 [Member] \| Paid In Kind Interest [Member]
Debt Instrument [Line Items]
Debt instrument, stated percentage			4.50%
2013 Second Lien Credit Agreement [Member] \| Other Assets [Member]
Debt Instrument [Line Items]
Transaction cost		$ 8,100,000
2013 Second Lien Credit Agreement [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Applicable margin for lien credit agreement		8.50%
Floor rate on term loan		1.00%
2013 Second Lien Credit Agreement [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Applicable margin for lien credit agreement		7.50%
2013 Second Lien Credit Agreement [Member] \| Second Lien Term Loan [Member]
Debt Instrument [Line Items]
Debt, unamortized discount		$ 1,000,000				$ 962,000
First Interest Rate Cap [Member]
Debt Instrument [Line Items]
Number of interest rate cap agreements \| Agreement				2
Notional Amount				$ 30,000,000
Interest rate cap				3.00%
Termination date				Dec. 01, 2015
Variable rate basis				1 month USD LIBOR
Second Interest Rate Cap [Member]
Debt Instrument [Line Items]
Notional Amount				$ 120,000,000
Interest rate cap				3.00%
Termination date				Dec. 01, 2016
Variable rate basis				1 month USD LIBOR