Carrying Value of Distributor Notes Receivable (Detail) - USD ($) $ in Thousands	Oct. 03, 2020	Dec. 28, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]
Distributor notes receivable	$ 210,352	$ 226,348
Current portion of distributor notes receivable recorded in accounts and notes receivable, net	28,291	27,709
Long-term portion of distributor notes receivable	$ 182,061	$ 198,639