Equity - Components of Accumulated Other Comprehensive (Loss) Income, Net of Tax (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	$ 4,475.1	$ 4,316.9
Other comprehensive income (loss) before reclassifications	(3.3)
Amount reclassified from accumulated other comprehensive income	7.4
Other comprehensive income, net	4.1	13.8
Balance	4,435.2	4,266.9
Unrealized Gains/Losses on Available-for- Sale Debt Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	21.8
Other comprehensive income (loss) before reclassifications	2.1
Amount reclassified from accumulated other comprehensive income	0.0
Other comprehensive income, net	2.1
Balance	23.9
Unrealized Gains/Losses on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	61.5
Other comprehensive income (loss) before reclassifications	(6.9)
Amount reclassified from accumulated other comprehensive income	7.4
Other comprehensive income, net	0.5
Balance	62.0
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(79.1)
Other comprehensive income (loss) before reclassifications	1.5
Amount reclassified from accumulated other comprehensive income	0.0
Other comprehensive income, net	1.5
Balance	(77.6)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	4.2	(2.1)
Other comprehensive income, net	4.1	13.8
Balance	$ 8.3	$ 11.7