Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income (loss) before reclassifications	$ (91.7)
Amounts reclassified from AOCI	45.9
Total other comprehensive income (loss), net of tax	(45.8)	$ (45.8)	$ 17.5	$ 11.2
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(136.2)	(136.2)	(153.7)	(164.9)
Other comprehensive income (loss) before reclassifications			21.7	11.1
Amounts reclassified from AOCI			(4.2)	0.1
Total other comprehensive income (loss), net of tax			17.5	11.2
Ending balance	(182.0)	(182.0)	(136.2)	(153.7)
Unrealized Gains (Losses) on Securities Available for Sale, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		0.0	0.0	(15.7)
Other comprehensive income (loss) before reclassifications		0.2		2.3
Amounts reclassified from AOCI		0.0		13.4
Total other comprehensive income (loss), net of tax		0.2		15.7
Ending balance	0.2	0.2	0.0	0.0
Unrealized Gains (Losses) on Cash Flow Hedges, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	51.6	51.6	(25.0)	15.1
Other comprehensive income (loss) before reclassifications	(156.4)		80.8	(26.8)
Amounts reclassified from AOCI	45.9		(4.2)	(13.3)
Total other comprehensive income (loss), net of tax	(110.5)		76.6	(40.1)
Ending balance	(58.9)	(58.9)	51.6	(25.0)
Unrealized Gains (Losses) on Pension Benefit Obligation, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(16.6)	(16.6)	(2.6)	(1.1)
Other comprehensive income (loss) before reclassifications	7.2		(14.0)	(1.5)
Amounts reclassified from AOCI	0.0		0.0	0.0
Total other comprehensive income (loss), net of tax	7.2		(14.0)	(1.5)
Ending balance	(9.4)	(9.4)	(16.6)	(2.6)
Currency Translation Adjustments, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(171.2)	(171.2)	(126.1)	(163.2)
Other comprehensive income (loss) before reclassifications	57.3		(45.1)	37.1
Amounts reclassified from AOCI	0.0		0.0	0.0
Total other comprehensive income (loss), net of tax	57.3		(45.1)	37.1
Ending balance	$ (113.9)	$ (113.9)	$ (171.2)	$ (126.1)