Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 29, 2013
Movement in Valuation Allowances and Reserves
Balance at Beginning of Year	$ 9,878	$ 15,387	$ 16,325
Charged to costs and expenses	1,166		1,363
Recovered from Costs and Expenses		(2,955)
Deductions	(2,078)	(2,554)	(2,301)
Balance at End of Year	8,966	9,878	15,387
Reserve for uncollectible accounts receivable
Movement in Valuation Allowances and Reserves
Balance at Beginning of Year	3,814	4,318	3,057
Charged to costs and expenses	1,332	2,297	2,416
Deductions	(2,699)	(2,801)	(1,155)
Balance at End of Year	2,447	3,814	4,318
Reserve for franchisee notes receivable
Movement in Valuation Allowances and Reserves
Balance at Beginning of Year	3,132	3,387	5,028
Recovered from Costs and Expenses	(100)	(502)	(495)
Additions	621	247
Deductions			(1,146)
Balance at End of Year	3,653	3,132	3,387
Valuation allowance on foreign net operating losses
Movement in Valuation Allowances and Reserves
Balance at Beginning of Year	2,932	7,682	8,240
Recovered from Costs and Expenses	(66)	(4,750)	(558)
Balance at End of Year	$ 2,866	$ 2,932	$ 7,682