Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets
Revenues	$ 427,191	$ 437,880	$ 435,348	$ 408,583	$ 397,820	$ 400,550	$ 411,002	$ 380,564	$ 1,709,002	$ 1,589,936	$ 1,223,408
Properties	977,000				1,023,267				977,000	1,023,267	1,062,869
U.S.
Revenues from External Customers and Long-Lived Assets
Revenues									1,606,619	1,495,639	1,154,873
Properties	941,607				990,992				941,607	990,992	1,032,151
Canada
Revenues from External Customers and Long-Lived Assets
Revenues									80,903	74,626	50,431
Properties	35,283				32,155				35,283	32,155	30,586
Other International
Revenues from External Customers and Long-Lived Assets
Revenues									21,480	19,671	18,104
Properties	$ 110				$ 120				$ 110	$ 120	$ 132