Debt, Lease and Other Commitments - Additional Information (Detail) (USD $)	1 Months Ended	6 Months Ended			1 Months Ended	6 Months Ended		1 Months Ended			1 Months Ended		1 Months Ended		1 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended		6 Months Ended	1 Months Ended			6 Months Ended				6 Months Ended		6 Months Ended
	Jul. 17, 2013	Jul. 12, 2014	Jul. 13, 2013	Dec. 28, 2013	Apr. 05, 2013 New Credit Facility	Jul. 12, 2014 New Credit Facility	Dec. 28, 2013 New Credit Facility	Apr. 05, 2013 New Term Loan	Jul. 12, 2014 New Term Loan	Jul. 12, 2014 Minimum	Apr. 05, 2013 Minimum New Credit Facility	Jul. 12, 2014 Maximum	Apr. 05, 2013 Maximum New Credit Facility	Jul. 12, 2014 Letter of Credit	Apr. 05, 2013 Federal Funds Rate New Credit Facility	Jul. 12, 2014 Base Rate Loans Minimum	Apr. 05, 2013 Base Rate Loans Minimum New Credit Facility	Jul. 12, 2014 Base Rate Loans Maximum	Apr. 05, 2013 Base Rate Loans Maximum New Credit Facility	Jul. 12, 2014 Eurodollar Loans Minimum	Apr. 05, 2013 Eurodollar Loans Minimum New Credit Facility	Jul. 12, 2014 Eurodollar Loans Maximum	Apr. 05, 2013 Eurodollar Loans Maximum New Credit Facility	Apr. 03, 2012 Debt Issuance Costs	Jul. 12, 2014 Debt Issuance Costs	Apr. 03, 2012 Debt Issuance Costs Prior To January First Two Thousand And Twenty Two	Apr. 03, 2012 Debt Issuance Costs Change Of Control Triggering Event	Mar. 28, 2012 4.375% Senior Notes	Jul. 12, 2014 4.375% Senior Notes	Jul. 12, 2014 Redeemable Senior Notes	Jul. 12, 2014 Standby Letters of Credit	Dec. 28, 2013 Standby Letters of Credit	Jul. 12, 2014 Secured Debt	Jul. 17, 2013 Secured Debt	Jul. 12, 2014 Revolving Credit Facility
Debt Instrument [Line Items]
Bank overdraft balance		$ 17,600,000		$ 16,300,000
Line of credit facility outstanding daily balance during period		19,800,000		44,200,000		19,800,000	44,200,000			0		62,100,000		464,800,000																	15,400,000	15,500,000
Debt instrument face amount								300,000,000																400,000,000	400,000,000									150,000,000
Debt instrument term	2 years																											10 years
Accounts receivable securitization		90,000,000		150,000,000
Debt instrument covenant compliance		As of July 12, 2014 and December 28, 2013, the company was in compliance with all restrictive financial covenants under the facility.
Basis spread on variable rate															0.40%	0.00%	0.00%	1.25%	0.95%	1.00%	0.95%	2.25%	1.95%										0.70%
Unused borrowing fee																																	0.25%
Financing cost		300,000																															800,000
Loan agreement first amendment date								Feb. 14, 2014
Additional financing costs		564,000	1,351,000		300,000	1,700,000																			3,900,000
Commitment Fee Basis Points						0.20%
Line of credit facility, maximum borrowing capacity					700,000,000				300,000,000
Price to redeem notes as a percentage of principal																								100.00%		100.00%	101.00%
Variable interest rate																								0.35%
Term loan maturity date																													Apr. 01, 2022	Jan. 01, 2022
Notes bearing interest rate																												4.375%	4.375%
Discount on notes																									700,000
Line of credit facility, amount available		15,400,000			500,000,000
Line of credit facility, additional borrowing capacity					200,000,000
Minimum interest rate in addition to interbank Eurodollar market rate					1.00%
Facility fee range											0.05%		0.30%
Financing costs					1,600,000
Line of credit facility, borrowings																																			649,200,000
Line of credit facility, repaid borrowings																																			$ 673,600,000