Derivative Instruments and Hedging Activities - Effect of Fair Value and Cash Flow Hedge Accounting (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Cash flow hedges
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivatives	$ 23.0	$ (10.9)	$ 28.5	$ (32.4)
Amount of gain (loss) recognized from AOCI into income on derivatives	1.5	0.0	1.8	0.6
Forward starting interest rate swaps
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivatives			107.5
Forward starting interest rate swaps \| Cash flow hedges
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivatives	20.6	(3.2)	23.8	(24.3)
Forward starting interest rate swaps \| Cash flow hedges \| Income Statement Location [Axis]: us-gaap:InterestIncomeExpenseNonoperatingNet
Derivative [Line Items]
Amount of gain (loss) recognized from AOCI into income on derivatives	1.0	(0.8)	1.0	(1.7)
Foreign currency forwards \| Cash flow hedges
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivatives	2.4	(7.7)	4.7	(8.1)
Foreign currency forwards \| Cash flow hedges \| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Derivative [Line Items]
Amount of gain (loss) recognized from AOCI into income on derivatives	0.6	0.9	1.0	2.7
Foreign currency forwards \| Cash flow hedges \| Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
Derivative [Line Items]
Amount of gain (loss) recognized from AOCI into income on derivatives	$ (0.1)	$ (0.1)	$ (0.2)	$ (0.4)