Segment Reporting - Reconciliation of Total Segment Profit to Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Segment Reporting [Abstract]
Total Segment Profit	$ 137,217	$ 103,469
Amortization	11,871	16,211
Unallocated general and administrative expenses	11,368	6,514
Operating income	113,978	80,744
Interest expense	11,652	10,559
Interest income	(71)	(321)
Other expense, net	4,330	878
Income before income tax expense	$ 98,067	$ 69,628