Allowance for Doubtful Accounts - Summary of Activity in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Schedule Of Financial Receivables [Line Items]
Balance at beginning of year	$ 151,792	$ 232,163	$ 117,227
Balance at end of year	24,274	151,792	232,163
Allowance for Doubtful Accounts [Member]
Schedule Of Financial Receivables [Line Items]
Balance at beginning of year	22,623	24,989	25,151
Charged to costs and expenses	11,112	12,103	18,559
Customer accounts written off—net of recoveries	(8,347)	(14,469)	(18,721)
Balance at end of year	$ 25,388	$ 22,623	$ 24,989