Derivative Instruments and Hedging Activities - Effect of Fair Value and Cash Flow Hedge Accounting (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Cash flow hedges
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivatives	$ 1.1	$ 1.4	$ 29.6	$ (31.0)
Amount of gain (loss) recognized from AOCI into income on derivatives	3.2	(0.1)	5.0	0.5
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	0.0	(1.2)	23.8	(25.5)
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	2.7	(0.7)	3.7	(2.4)
Foreign currency forwards \| Cash flow hedges
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivatives	1.1	2.6	5.8	(5.5)
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	0.7	0.8	1.7	3.5
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	$ (0.2)	$ (0.2)	$ (0.4)	$ (0.6)