Miscellaneous Income, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017
Other Income And Expenses [Abstract]
Rental income	$ 3,141	$ 2,823	$ 2,655
Gain (loss) on deferred compensation investments	12,834	(3,900)	6,547
Gain (loss) on foreign exchange	(840)	167	(19)
Other	32	20	(19)
Total	$ 15,167	$ (890)	$ 9,164