Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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Credit facility percentage of periodic principal payment.

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No definition available.

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- Definition

Debt instrument floor interest rate.

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No definition available.

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Debt instrument interest payment terms.

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Debt instrument maturity month.

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Number of interest rate cap agreements.

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No definition available.

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Write off of debt discount.

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- Definition

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

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No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount, after accumulated amortization, of debt discount.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

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No definition available.

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Date the derivative contract matures, in CCYY-MM-DD format.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

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No definition available.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 2
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Prior Credit Agreements - Additional Information (Detail)			12 Months Ended
	Dec. 11, 2014 USD ($)	Oct. 11, 2013 USD ($)	Dec. 28, 2016 USD ($) Agreement	Dec. 31, 2014 USD ($)	Jul. 30, 2014 USD ($)	Dec. 25, 2013 USD ($)
Debt Instrument [Line Items]
Applicable margin for lien credit agreement			1.00%
Call premium				$ 1,526,000
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% to 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 2.0% to 2.4% during fiscal 2016 and 1.9% to 2.6% during fiscal 2015 and was 2.4% and 2.0% at December 28, 2016 and December 30, 2015, respectively.
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		$ 1,000,000				$ 900,000
Interest payment intervals			Three-month intervals
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			$ 87,900,000			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
Debt maturity		2019-04
Prior Credit Agreements [Member] \| Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Write off of the remaining unamortized deferred finance costs	$ 3,900,000
Write off of the unamortized discount	$ 700,000
Prior Credit Agreements [Member] \| Second Priority Senior Secured Notes Due January 2018 [Member]
Debt Instrument [Line Items]
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
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				$ 1,000,000
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