Investments Schedule of Summarized Financial Information (Details) (TimWen [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
TimWen [Member]
Schedule of Equity Method Investments [Line Items]
Properties	$ 56,952	$ 64,520
Cash and cash equivalents	3,588	3,339
Accounts receivable	2,663	2,924
Other	2,105	2,268
Total Assets	65,308	73,051
Accounts payable and accrued liabilities	1,995	1,127
Other liabilities	6,158	7,256
Partners' equity	57,155	64,668
Total liabilities and partners' equity	65,308	73,051
Revenues	36,604	38,751	39,702
Income before income taxes and net income	$ 25,604	$ 27,586	$ 27,377