Debt, Lease and Other Commitments - Additional Information (Detail) - USD ($)									12 Months Ended
	Nov. 29, 2017	Sep. 28, 2016	Apr. 19, 2016	Jan. 01, 2016	Apr. 21, 2015	Dec. 17, 2014	Aug. 07, 2014	Apr. 03, 2012	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016	Dec. 31, 2015	Jul. 17, 2013	Apr. 05, 2013
Debt Instrument [Line Items]
Bank overdraft									$ 5,699,000	$ 19,905,000
Debt instrument face amount									812,500,000	817,500,000
Payments for debt issuance costs									$ 729,000	4,380,000	$ 646,000
Lease arrangements expiration period									18 years
Deferred Salaries
Debt Instrument [Line Items]
Percentage of amount deferred, maximum				75.00%								75.00%
Deferred Bonus
Debt Instrument [Line Items]
Percentage of amount deferred, maximum												100.00%
Minimum
Debt Instrument [Line Items]
Lease term									2 years
Operating lease period									1 month
Maximum
Debt Instrument [Line Items]
Lease term									26 years
Operating lease period									10 years
2016 Term Loan
Debt Instrument [Line Items]
Debt instrument term			5 years
Line of credit facility, maximum borrowing capacity			$ 150,000,000
Payments Of Financing Costs			$ 600,000
Loss on extinguishment of debt recorded as interest expense		$ (600,000)
Unsecured 2013 Term Loan
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity														$ 300,000,000
Loss on extinguishment of debt recorded as interest expense		(1,300,000)
2026 Notes
Debt Instrument [Line Items]
Debt instrument face amount		$ 400,000,000							$ 400,000,000	400,000,000
Notes due year									Oct. 01, 2026
Price to redeem notes as a percentage of principal		100.00%
Variable interest rate		0.30%
Change of control triggering event price to redeem notes as a percentage of principal									101.00%
Debt discount									$ 2,108,000
2022 Notes
Debt Instrument [Line Items]
Debt instrument face amount								$ 400,000,000	$ 400,000,000	400,000,000
Notes due year									Apr. 01, 2022
Price to redeem notes as a percentage of principal								100.00%
Variable interest rate								0.35%
Change of control triggering event price to redeem notes as a percentage of principal									101.00%
Payments Of Financing Costs									$ 3,900,000
Debt discount									400,000
Standby Letters Of Credit
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period									8,700,000	9,100,000
Accounts Receivable Securitization Facility
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period										95,000,000
Line of credit facility, maximum borrowing capacity							$ 200,000,000						$ 150,000,000
Payments Of Financing Costs						$ 100,000			$ 800,000
Line of credit extended term							1 year
Line of credit facility, expiration date									Sep. 28, 2019
Debt instrument covenant compliance									As of December 30, 2017 and December 31, 2016, the company was in compliance with all restrictive covenants under the facility.
Line of credit facility, amount available									$ 179,300,000
Basis spread on variable rate									0.85%
Unused borrowing fee									0.30%
Financing Costs									$ 100,000
Unsecured Credit Facility
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period										$ 24,000,000
Line of credit facility, maximum borrowing capacity	$ 700,000,000								$ 500,000,000
Line of credit facility, expiration date									Nov. 29, 2022
Line of credit facility, amount available									$ 491,302,000
Line of credit facility, expiration period					5 years
Line of credit facility, amount available	500,000,000
Line of credit facility, additional borrowing capacity	$ 200,000,000
Covenant, maximum leverage ratio	4.00
Minimum leverage ratio on covenant holiday	3.75
Payments for debt issuance costs	$ 600,000
Unsecured Credit Facility | Maximum
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period									$ 47,500,000
Unsecured Credit Facility | Base Rate Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%				0.00%
Unsecured Credit Facility | Base Rate Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.575%				0.75%
Unsecured Credit Facility | Eurodollar Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.575%				0.70%
Unsecured Credit Facility | Eurodollar Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.575%				1.75%
Unsecured Credit Facility | Federal Funds Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.05%				0.05%
Unsecured Credit Facility | Federal Funds Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.30%				0.50%