Derivatives and Hedging Instruments - Narrative (Details) € in Millions, £ in Millions, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($) instrument	Sep. 30, 2023 USD ($) instrument	Sep. 30, 2023 EUR (€) instrument	Sep. 30, 2023 GBP (£) instrument	Jul. 31, 2023 USD ($)	Jul. 31, 2023 GBP (£)	May 31, 2023 USD ($)	May 31, 2023 EUR (€)
Derivative [Line Items]
Dedesignated derivative	$ 122.0	$ 122.0		£ 100.0
Reclassification from AOCI to Other Income	3.7	3.7
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 0.2	$ 0.2
Euro Member Countries, Euro
Derivative [Line Items]
Foreign currency exchange rate, translation							0.94	0.94
United Kingdom, Pounds
Derivative [Line Items]
Foreign currency exchange rate, translation	0.82	0.82	0.82	0.82
Cash Flow Hedging | Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Derivative instrument, notional amount	$ 305.0	$ 305.0		£ 250.0
Cash Flow Hedging | Long-Term Debt
Derivative [Line Items]
Hedged liabilities | €								€ 350.0
Interest rate cap contracts
Derivative [Line Items]
Loss expected to be reclassified to earnings in next twelve months		$ 19.1
Interest rate cap contracts | Cash Flow Hedging
Derivative [Line Items]
Number of interest rate derivatives held | instrument	2	2	2	2
Derivative instrument, notional amount	$ 850.3	$ 850.3
Interest rate cap contracts | Cash Flow Hedging | 2019 Cap
Derivative [Line Items]
Derivative instrument, notional amount	423.3	423.3	€ 400.0
Interest rate cap contracts | Cash Flow Hedging | 2020 Caps
Derivative [Line Items]
Derivative instrument, notional amount	$ 427.0	427.0		£ 350.0
Cross-currency swap agreements
Derivative [Line Items]
Derivative instrument, notional amount					$ 366.0	£ 300.0
Cross-currency swap agreements | Cash Flow Hedging
Derivative [Line Items]
Derivative instrument, notional amount							$ 370.4
Unrealized Gain (Loss) on Derivatives		$ 1.3