Allowance for Doubtful Accounts Activity (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Charged to Expense	$ 3,365	$ 2,395	$ 4,956
Allowance for Doubtful Accounts, Current
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,341	2,723	1,598
Charged to Expense	3,365	2,395	4,956
Write-Offs and Other	3,003	3,777	3,831
Ending Balance	$ 1,703	$ 1,341	$ 2,723