Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 03, 2016	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 464,365	$ 464,629	$ 489,534	$ 451,769	$ 487,303	$ 496,670	$ 506,079	$ 508,450	$ 1,870,297	$ 1,998,502	$ 2,423,669
Properties	1,227,944				1,241,170				1,227,944	1,241,170	1,133,212
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									1,749,131	1,734,164	2,150,134
Properties	1,198,553				1,202,545				1,198,553	1,202,545	1,075,944
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									104,003	247,792	255,216
Properties	29,296				38,538				29,296	38,538	57,232
Other International
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									17,163	16,546	18,319
Properties	$ 95				$ 87				$ 95	$ 87	$ 36