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Allowance for Doubtful Accounts Activity (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]      
Charged to Expense $ 11,034 $ 6,963 $ 4,215
Allowance for Doubtful Accounts, Current      
Financing Receivable, Allowance for Credit Losses [Line Items]      
Beginning Balance 5,751 3,154 1,703
Charged to Expense 11,034 6,963 4,215
Write-Offs and Other 7,312 4,366 2,764
Ending Balance $ 9,473 $ 5,751 $ 3,154