Net Income per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Net Income per Share
Net income attributable to shareholders	$ 198,659	$ 342,399	$ 708,968	$ 1,077,482
Weighted-average shares outstanding - basic	55,597	64,228	57,021	66,055
Net effect of various dilutive stock-based compensation awards	701	751	694	790
Weighted-average shares outstanding - diluted	56,298	64,979	57,715	66,845
Net income per share:
Basic	$ 3.57	$ 5.33	$ 12.43	$ 16.31
Diluted	$ 3.53	$ 5.27	$ 12.28	$ 16.12
Equity awards excluded from diluted net income per share as their effect would have been anti-dilutive	0	203	43	53