Net Income per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Net Income per Share
Net income attributable to shareholders	$ 109,193	$ 100,567	$ 376,662	$ 292,866
Weighted-average shares outstanding - basic	51,695	53,010	51,935	53,476
Net effect of various dilutive stock-based compensation awards	446	465	446	523
Weighted-average shares outstanding - diluted	52,141	53,475	52,381	53,999
Net income per share:
Basic	$ 2.11	$ 1.9	$ 7.25	$ 5.48
Diluted (a)	$ 2.09	$ 1.88	$ 7.19	$ 5.42
(a) Equity awards excluded from diluted net income per share as their effect would have been anti-dilutive	1	0	38	21