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Debt and Other Commitments - Additional Information (Detail) - USD ($)						12 Months Ended
	Nov. 29, 2017	Sep. 28, 2016	Jan. 01, 2016	Apr. 21, 2015	Apr. 03, 2012	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2015	Sep. 23, 2020	Jul. 17, 2013
Debt Instrument [Line Items]
Bank overdraft						$ 16,900,000	$ 13,767,000
Debt instrument face amount						800,000,000	803,750,000
Payments for debt issuance costs						206,000	110,000	$ 100,000
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%
2026 Notes
Debt Instrument [Line Items]
Debt instrument face amount		$ 400,000,000.0				$ 400,000,000	400,000,000
Notes due year						Oct. 01, 2026
Debt instrument interest rate		3.50%
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%
Balance of unamortized financing costs						$ 5,742,000
Debt discount						2,108,000
2022 Notes
Debt Instrument [Line Items]
Debt instrument face amount					$ 400,000,000.0	$ 400,000,000	400,000,000
Notes due year						Apr. 01, 2022
Debt instrument interest rate					4.375%
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%
Debt discount						$ 100,000
Payments of financing costs						3,900,000
Standby Letters Of Credit
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period						8,400,000	8,400,000
Accounts Receivable Securitization Facility
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period						114,000,000	26,000,000
Line of credit facility, maximum borrowing capacity						$ 173,100,000					$ 200,000,000.0	$ 150,000,000.0
Line of credit extended term						1 year
Line of credit facility, expiration date						Sep. 27, 2022
Debt instrument covenant compliance						As of January 2, 2021 and December 28, 2019, respectively, the company was in compliance with all restrictive covenants under the AR facility.
Basis spread on variable rate						0.85%
Unused borrowing fee						0.30%
Balance of unamortized financing costs						$ 300,000	200,000
Accounts Receivable Securitization Facility | Minimum
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period						19,000,000
Accounts Receivable Securitization Facility | Maximum
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period						154,000,000
Unsecured Credit Facility
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period						50,000,000	$ 41,750,000
Line of credit facility, maximum borrowing capacity						$ 500,000,000
Line of credit facility, expiration date						Nov. 29, 2022
Line of credit facility, expiration period						5 years
Line of credit facility, amount available						$ 500,000,000.0
Line of credit facility, additional borrowing capacity						$ 200,000,000.0
Covenant, maximum leverage ratio						4.00
Minimum leverage ratio on covenant holiday						3.75
Payments for debt issuance costs									$ 600,000
Unsecured Credit Facility | Unsecured Credit Facility Total Potential Commitment
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 700,000,000.0
Unsecured Credit Facility | Minimum
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period						10,000,000
Unsecured Credit Facility | Maximum
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period						$ 235,000,000
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%

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

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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