Long-Term Debt - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended			1 Months Ended	9 Months Ended			9 Months Ended			1 Months Ended	9 Months Ended		9 Months Ended			1 Months Ended		9 Months Ended				1 Months Ended	9 Months Ended			1 Months Ended		9 Months Ended
	Apr. 24, 2013	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Dec. 30, 2012	Apr. 23, 2013 Senior Secured [Member]	Sep. 29, 2013 Senior Secured [Member]	Sep. 29, 2013 Senior Secured [Member] Maximum [Member]	Sep. 29, 2013 Senior Secured [Member] Minimum [Member]	Sep. 29, 2013 Senior Secured [Member] Eurodollar [Member]	Sep. 29, 2013 Senior Secured [Member] LIBOR [Member]	Sep. 29, 2013 Senior Secured [Member] Alternate Base Rate [Member]	Aug. 06, 2013 Senior Secured [Member] $700.0 million Term Loan [Member]	Sep. 29, 2013 Senior Secured [Member] $700.0 million Term Loan [Member]	Apr. 23, 2013 Senior Secured [Member] $700.0 million Term Loan [Member]	Sep. 29, 2013 Senior Secured [Member] $60.0 million Revolving Credit Facility [Member]	Apr. 23, 2013 Senior Secured [Member] $60.0 million Revolving Credit Facility [Member]	Sep. 29, 2013 Senior Secured [Member] $60.0 million Revolving Credit Facility [Member] Swingline Loan Subfacility [Member]	Apr. 24, 2013 Senior Secured [Member] $410.0 million Former Term Loan [Member]	Apr. 18, 2011 Senior Secured [Member] $410.0 million Former Term Loan [Member]	Sep. 29, 2013 Senior Secured [Member] $410.0 million Former Term Loan [Member]	Dec. 30, 2012 Senior Secured [Member] $410.0 million Former Term Loan [Member]	Apr. 30, 2012 Senior Secured [Member] $410.0 million Former Term Loan [Member]	Apr. 30, 2011 Senior Secured [Member] $410.0 million Former Term Loan [Member]	Apr. 23, 2013 Senior Secured [Member] Junior loans [Member]	Sep. 29, 2013 Senior Secured [Member] $50.0 million Former Revolving Credit Facility [Member]	Dec. 30, 2012 Senior Secured [Member] $50.0 million Former Revolving Credit Facility [Member]	Sep. 29, 2013 Senior Secured [Member] $50.0 million Former Revolving Credit Facility [Member] Swingline Loan Subfacility [Member]	May 31, 2013 Senior Subordinated Notes [Member] $35.0 million Senior Subordinated Promissory Notes [Member]	May 30, 2012 Senior Subordinated Notes [Member] $35.0 million Senior Subordinated Promissory Notes [Member]	Sep. 29, 2013 Senior Subordinated Notes [Member] $35.0 million Senior Subordinated Promissory Notes [Member]	Dec. 30, 2012 Senior Subordinated Notes [Member] $35.0 million Senior Subordinated Promissory Notes [Member]
Debt Instrument [Line Items]
Current portion of long-term debt discount		$ 1,300,000		$ 1,300,000		$ 2,300,000
Noncurrent portion of long-term debt discount		6,900,000		6,900,000		11,300,000
Borrowings under credit facilities															351,800,000	700,000,000		60,000,000
Repayment of debt instrument																				403,100,000
Loss on extinguishment of debt		(9,507,000)	(992,000)	(17,682,000)	(992,000)									(9,000,000)						(8,200,000)		(8,175,000)
Dividend paid to stockholders	282,029,000			282,029,000
Anti-dilution payments made to option holders	13,892,000			13,892,000
Maximum incremental term loans and revolving commitments							160,000,000
Net first lien leverage ratio							4.00																			5.25
Credit facility terms								(i) in the case of incremental loans that rank pari passu with the initial term loans, the net first lien leverage ratio does not exceed 4.00 to 1.00, and (ii) in the case of incremental loans that rank junior to the initial Term Loan, the total leverage ratio does not exceed 5.25 to 1.00.
Repayment of Term Loan				745,100,000	2,575,000									340,000,000
Debt instrument issue discount															8,200,000									2,700,000	14,100,000
Line of credit interest rate terms								At a rate per annum equal to LIBOR (with a 1.00% floor with respect to Eurodollar borrowings under the Term Loan), adjusted for statutory reserves, plus a margin equal to 3.00%, or an alternate base rate, plus a margin equal to 2.00%, as set forth in the Credit Facility. These interest margins were reduced to their current levels (from 3.50% and 2.50%, respectively) effective August 2, 2013, as a result of (i) the consummation of the Company’s initial public offering, and (ii) the Company achieving a reduction in the net first lien leverage ratio to less than or equal to 2.75 to 1.00.
Credit facility interest rate											1.00%
Interest rate spread on base rate												3.00%	2.00%
Interest rate margins reduce									3.50%	2.50%
Reduction in net first lien leverage									2.75%
Debt instrument maturity															April 2020		April 2018					April 2018					April 2016					July 2019
Debt instrument principal repayment percentage															1.00%							1.00%
Debt instrument periodic payment															Four equal quarterly installments
Line of credit facility mandatory prepayments, description								(i) 50% (reduced to 25% if net first lien leverage is less than 3.00 to 1.00 but greater than 2.50 to 1.00 and 0% if net first lien leverage is less than 2.50 to 1.00) of excess cash flow (as defined in the Credit Facility) at the end of each fiscal year, (ii) 100% of the net cash proceeds from certain non-ordinary course asset sales by the Company or any subsidiary guarantor (subject to certain exceptions and reinvestment provisions) and (iii) 100% of the net cash proceeds from the issuance or incurrence of debt by the Company or any of its subsidiaries not permitted under the Credit Facility.
Prepayment fee percentage								1.00%
Debt instrument face amount															700,000,000		60,000,000		5,000,000				410,000,000					50,000,000	5,000,000		35,000,000		35,000,000
Letters of credit issued																	8,000,000											8,400,000
Available amount under revolving credit facility																	52,000,000
Capitalized total debt issuance costs																	1,100,000				1,800,000						1,800,000
Credit facility unused commitment fee percentage																	0.50%
Ratio of revolving credit facility exposure																	0.75
Capitalization of debt issuance costs																											50,000,000
Debt instrument amount borrowed																								100,000,000	310,000,000
Debt instrument financing fees																								500,000	1,300,000
Debt instrument principal repayment terms																						Quarterly
Lender fees charged to interest expense		8,790,000	9,951,000	30,346,000	25,414,000																16,700,000
Debt instrument, interest rate percentage																															10.00%
Debt instrument interest rate terms															Variable		Variable					Variable					Variable				Interest accrued at 10.0% annually for the first three years, increasing by 1.0% each year thereafter.
Repayment of notes				35,000,000																										35,000,000
Interest accrued paid																														$ 300,000