Investments Schedule of Summarized Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Schedule of Equity Method Investments [Line Items]
Properties	$ 45,642	$ 56,952
Cash and cash equivalents	3,756	3,588
Accounts receivable	3,365	2,663
Other	2,261	2,105
Total assets	55,024	65,308
Accounts payable and accrued liabilities	2,489	1,995
Debt	1,700	0
Other liabilities	4,698	6,158
Partner's equity	46,137	57,155
Total liabilities	55,024	65,308
Revenues	33,215	36,604	$ 38,751
Income before income taxes	22,610	25,604	27,586
Net income	$ 22,822	$ 25,604	$ 27,586