Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance, beginning of period at Dec. 31, 2024	$ 2,934.8	$ 1.7	$ (50.5)	$ 3,842.1	$ (487.4)	$ (371.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	7.9			7.9
Purchase of treasury shares	(22.6)		(22.6)
Net income	18.0				18.0
Other comprehensive income (loss)	98.0					98.0
Balance, end of period at Mar. 28, 2025	3,036.1	1.7	(73.1)	3,850.0	(469.4)	(273.1)
Balance, beginning of period at Dec. 31, 2024	2,934.8	1.7	(50.5)	3,842.1	(487.4)	(371.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	44.4
Other comprehensive income (loss)	247.6
Balance, end of period at Jun. 27, 2025	3,139.0	1.7	(156.5)	3,860.3	(443.0)	(123.5)
Balance, beginning of period at Mar. 28, 2025	3,036.1	1.7	(73.1)	3,850.0	(469.4)	(273.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	10.3			10.3
Purchase of treasury shares	(83.4)		(83.4)
Net income	26.4				26.4
Other comprehensive income (loss)	149.6					149.6
Balance, end of period at Jun. 27, 2025	3,139.0	1.7	(156.5)	3,860.3	(443.0)	(123.5)
Balance, beginning of period at Dec. 31, 2025	3,106.3	1.8	(224.5)	3,882.6	(440.4)	(113.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	13.4			13.4
Purchase of treasury shares	(49.0)		(49.0)
Net income	38.7				38.7
Other comprehensive income (loss)	(29.9)					(29.9)
Balance, end of period at Apr. 03, 2026	3,079.5	1.8	(273.5)	3,896.0	(401.7)	(143.1)
Balance, beginning of period at Dec. 31, 2025	3,106.3	1.8	(224.5)	3,882.6	(440.4)	(113.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	92.4
Other comprehensive income (loss)	(36.7)
Balance, end of period at Jul. 03, 2026	3,076.3	1.8	(333.7)	3,906.1	(348.0)	(149.9)
Balance, beginning of period at Apr. 03, 2026	3,079.5	1.8	(273.5)	3,896.0	(401.7)	(143.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	10.1			10.1
Purchase of treasury shares	(60.2)		(60.2)
Net income	53.7				53.7
Other comprehensive income (loss)	(6.8)					(6.8)
Balance, end of period at Jul. 03, 2026	$ 3,076.3	$ 1.8	$ (333.7)	$ 3,906.1	$ (348.0)	$ (149.9)