Summary of Activity in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 9,671	$ 8,989	$ 14,501
Charged to Costs and Expenses	5,890	5,315	3,736
Write-offs, Net of Recoveries	(5,441)	(4,633)	(9,248)
Balance at End of Period	10,120	9,671	8,989
Trade Receivables
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	4,338	3,773	8,650
Charged to Costs and Expenses	3,985	2,893	1,801
Write-offs, Net of Recoveries	(3,996)	(2,328)	(6,678)
Balance at End of Period	4,327	4,338	3,773
Other Receivables
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	5,103	4,994	5,612
Charged to Costs and Expenses	1,897	2,414	1,929
Write-offs, Net of Recoveries	(1,445)	(2,305)	(2,547)
Balance at End of Period	5,555	5,103	4,994
Other Non-Current Receivables
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	230	222	239
Charged to Costs and Expenses	8	8	6
Write-offs, Net of Recoveries			(23)
Balance at End of Period	$ 238	$ 230	$ 222