Deferred Compensation Plans - Additional Information (Detail) - USD ($)		12 Months Ended
		Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Trading securities held in deferred compensation plan		$ 75,934,000	$ 57,778,000
Deferred compensation plan	[1]	76,357,000	59,349,000
Change in market value of trust assets		$ 12,834,000	$ (3,900,000)	$ 6,547,000
Maximum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Percentage of compensation deferred		100.00%

[1] Included in accounts payable and accrued liabilities and deferred compensation plan liabilities on the Company’s consolidated balance sheet.