Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Transactions involving cash:
Interest paid	$ 44,388	$ 35,877	$ 27,396
Interest received	2,064	1,304	381
Income taxes paid	14,809	10,858	10,169
Income tax refunds	1,713	$ 124	$ 68
Cash paid for operating lease liabilities	24,522
Cash paid for finance lease liabilities	528
Right-of-use assets acquired under operating leases	36,774
Right-of-use assets acquired under finance leases	$ 26,326