Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)
Balance, beginning of period at Dec. 31, 2023	$ 4,173.9	$ 1.7	$ (45.2)	$ 3,803.4	$ 631.2	$ (217.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	12.5			12.5
Purchase of treasury shares	(3.3)		(3.3)
Net (loss) income	23.6				23.6
Other comprehensive income (loss)	(66.4)					(66.4)
Balance, end of period at Mar. 29, 2024	4,140.3	1.7	(48.5)	3,815.9	654.8	(283.6)
Balance, beginning of period at Dec. 31, 2023	4,173.9	1.7	(45.2)	3,803.4	631.2	(217.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(1,119.8)
Other comprehensive income (loss)	(6.4)
Balance, end of period at Sep. 27, 2024	3,072.5	1.7	(48.5)	3,831.5	(488.6)	(223.6)
Balance, beginning of period at Mar. 29, 2024	4,140.3	1.7	(48.5)	3,815.9	654.8	(283.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	6.0			6.0
Net (loss) income	(1,151.6)				(1,151.6)
Other comprehensive income (loss)	(18.0)					(18.0)
Balance, end of period at Jun. 28, 2024	2,976.7	1.7	(48.5)	3,821.9	(496.8)	(301.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	9.6			9.6
Net (loss) income	8.2				8.2
Other comprehensive income (loss)	78.0					78.0
Balance, end of period at Sep. 27, 2024	3,072.5	1.7	(48.5)	3,831.5	(488.6)	(223.6)
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 (loss) 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 (loss) income	14.1
Other comprehensive income (loss)	258.0
Balance, end of period at Sep. 26, 2025	3,088.2	1.8	(199.0)	3,871.8	(473.3)	(113.1)
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 (loss) 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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	11.6	0.1		11.5
Purchase of treasury shares	(42.5)		(42.5)
Net (loss) income	(30.3)				(30.3)
Other comprehensive income (loss)	10.4					10.4
Balance, end of period at Sep. 26, 2025	$ 3,088.2	$ 1.8	$ (199.0)	$ 3,871.8	$ (473.3)	$ (113.1)