Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Apr. 02, 2017	Jan. 01, 2017	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Revenues from External Customers and Long-Lived Assets
Revenues	$ 309,247	$ 308,000	$ 320,342	$ 285,819	$ 309,901	$ 364,012	$ 382,718	$ 378,787	$ 1,223,408	$ 1,435,418	$ 1,870,297
Properties	1,263,059				1,192,339				1,263,059	1,192,339	1,227,944
U.S.
Revenues from External Customers and Long-Lived Assets
Revenues									1,154,873	1,373,345	1,749,131
Properties	1,226,714				1,162,006				1,226,714	1,162,006	1,198,553
Canada
Revenues from External Customers and Long-Lived Assets
Revenues									50,431	45,959	104,003
Properties	36,213				30,257				36,213	30,257	29,296
Other International
Revenues from External Customers and Long-Lived Assets
Revenues									18,104	16,114	17,163
Properties	$ 132				$ 76				$ 132	$ 76	$ 95