Stockholders' Equity - AOCL (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 3,147,400,000	$ 2,741,700,000	$ 3,108,000,000	$ 559,000,000.0
Foreign currency adjustments, net of tax	(4,400,000)	68,800,000	(18,600,000)	98,500,000
Balance at end of period	3,229,400,000	2,841,100,000	3,229,400,000	2,841,100,000
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(113,600,000)	(157,500,000)	(99,400,000)	(187,200,000)
Balance at end of period	(118,000,000.0)	(88,700,000)	(118,000,000.0)	(88,700,000)
Tax expense (benefits)			0	0
Net amount reclassified to earnings			0	0
Pensions
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	1,000,000.0	1,000,000.0	1,000,000.0	400,000
Net change from period revaluations	500,000	0	500,000	600,000
Balance at end of period	$ 1,500,000	$ 1,000,000.0	1,500,000	1,000,000.0
Tax expense (benefits)			$ 0	$ 0