Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts
Balance, beginning of period	$ 982	$ 1,656	$ 1,345
Provision	39	(570)	299
Charge-offs	(64)	(151)	12
Acquisitions and other		47
Balance, end of period	957	982	1,656
Allowance for Customer Credits [Member]
Valuation and Qualifying Accounts
Balance, beginning of period	90,596	95,537	98,650
Provision	274,243	203,677	187,422
Charge-offs	(258,889)	(208,665)	(193,753)
Acquisitions and other		47	3,218
Balance, end of period	$ 105,950	$ 90,596	$ 95,537