Cash and Receivables Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance, Current	$ 2,343	$ 3,310	$ 5,740
Beginning Balance, Noncurrent	246	256	2,881
Provision for Doubtful Accounts, Franchisees and other	979	(925)	(320)
Uncollectible accounts written-off, net of recoveries	177	(52)	(4,735)
Ending Balance, Current	3,488	2,343	3,310
Ending Balance, Noncurrent	257	246	256
Allowances for Doubtful Accounts Receivable, Balance	$ 3,745	$ 2,589	$ 3,566