Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	$ (106.7)
Other comprehensive income (loss) before reclassifications	87.0	$ 134.1	$ (145.6)
Amounts reclassified from accumulated other comprehensive income (loss)	(145.2)	58.2	(18.2)
Total other comprehensive income (loss), net of tax	(58.2)	192.3	(163.8)
AOCI, ending balance	(164.9)	(106.7)
Accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	(106.7)	(299.0)	(135.2)
AOCI, ending balance	(164.9)	(106.7)	(299.0)
Unrealized Gains (Losses) on Securities Available for Sale, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	(2.2)	1.4	4.2
Other comprehensive income (loss) before reclassifications	(23.5)	(6.6)	(9.3)
Amounts reclassified from accumulated other comprehensive income (loss)	10.0	3.0	6.5
Total other comprehensive income (loss), net of tax	(13.5)	(3.6)	(2.8)
AOCI, ending balance	(15.7)	(2.2)	1.4
Unrealized Gains (Losses) on Cash Flow Hedges, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	53.8	(179.0)	7.8
Other comprehensive income (loss) before reclassifications	137.3	178.2	(165.0)
Amounts reclassified from accumulated other comprehensive income (loss)	(176.0)	54.6	(21.8)
Total other comprehensive income (loss), net of tax	(38.7)	232.8	(186.8)
AOCI, ending balance	15.1	53.8	(179.0)
Gains (Losses) on Net Investment Hedges, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	25.5	(8.5)	25.1
Other comprehensive income (loss) before reclassifications	12.6	33.4	(30.7)
Amounts reclassified from accumulated other comprehensive income (loss)	(38.1)	0.6	(2.9)
Total other comprehensive income (loss), net of tax	(25.5)	34.0	(33.6)
AOCI, ending balance	0.0	25.5	(8.5)
Unrealized Gains (Losses) on Pension Benefit Obligation, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	(44.8)	(66.3)	(32.8)
Other comprehensive income (loss) before reclassifications	43.7	21.5	(33.5)
Amounts reclassified from accumulated other comprehensive income (loss)	0.0	0.0	0.0
Total other comprehensive income (loss), net of tax	43.7	21.5	(33.5)
AOCI, ending balance	(1.1)	(44.8)	(66.3)
Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	(139.0)	(46.6)	(139.5)
Other comprehensive income (loss) before reclassifications	(83.1)	(92.4)	92.9
Amounts reclassified from accumulated other comprehensive income (loss)	58.9	0.0	0.0
Total other comprehensive income (loss), net of tax	(24.2)	(92.4)	92.9
AOCI, ending balance	$ (163.2)	$ (139.0)	$ (46.6)