Summary of Activity in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 13,880	$ 13,334	$ 11,954
Charged to Costs and Expenses	9,831	7,415	7,439
Write-offs, Net of Recoveries	(7,361)	(6,869)	(6,059)
Balance at End of Period	16,350	13,880	13,334
Trade Receivables
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	6,413	6,131	5,161
Charged to Costs and Expenses	4,309	3,886	3,982
Write-offs, Net of Recoveries	(3,438)	(3,604)	(3,012)
Balance at End of Period	7,284	6,413	6,131
Other Receivables
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	7,211	6,952	6,549
Charged to Costs and Expenses	5,518	3,520	3,450
Write-offs, Net of Recoveries	(3,923)	(3,261)	(3,047)
Balance at End of Period	8,806	7,211	6,952
Other Non-Current Receivables
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	256	251	244
Charged to Costs and Expenses	4	9	7
Write-offs, Net of Recoveries		(4)
Balance at End of Period	$ 260	$ 256	$ 251