Leases - Supplemental Disclourses of Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2020	Oct. 01, 2019	Sep. 29, 2020	Oct. 01, 2019
Leases [Abstract]
Cash paid for operating lease liabilities	$ 14,784	$ 10,795	$ 28,358	$ 32,301
Cash paid for finance lease liabilities	324	223	776	600
Cash paid for lease liabilities	15,108	11,018	29,134	32,901
Right-of-use assets obtained in exchange for new operating lease liabilities	108	2,646	10,388	7,856
Right-of-use assets obtained in exchange for new finance lease liabilities	545	0	3,387	229
Right-of-use assets obtained in exchange for new lease liabilities	$ 653	$ 2,646	$ 13,775	$ 8,085