Fair Value Measurements and the Fair Value Option - Derivatives Financial Instruments (Details) € in Millions, £ in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 EUR (€)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 GBP (£)
Derivative [Line Items]
Interest Expense	$ 66.0	$ 53.2	$ 128.3	$ 103.7
Designated as Hedging Instrument | Currency Derivative Contracts | Level 2
Derivative [Line Items]
Hedge Assets						$ 21.9
Hedge Liabilities						35.5
OCI (Losses) Gains			2.1
Income Statement Losses			(8.4)
Cash Paid			0.7
Designated as Hedging Instrument | Currency Derivative Contracts | Level 2 | Interest Expense
Derivative [Line Items]
Interest Expense			3.0
Designated as Hedging Instrument | Derivatives Outstanding | Level 2
Derivative [Line Items]
Hedge Assets						21.9
Hedge Liabilities						35.5
OCI (Losses) Gains			(0.4)
Income Statement Losses			(8.4)
Cash Paid			0.0
Designated as Hedging Instrument | Derivatives Outstanding | Level 2 | Interest Expense
Derivative [Line Items]
Interest Expense			2.9
Designated as Hedging Instrument | Foreign Exchange Contract, One
Derivative [Line Items]
Notional | €					€ 287.5
Designated as Hedging Instrument | Foreign Exchange Contract, One | Level 2
Derivative [Line Items]
Hedge Assets						3.6
Hedge Liabilities						15.7
OCI (Losses) Gains			(0.2)
Income Statement Losses			(6.5)
Cash Paid			0.0
Designated as Hedging Instrument | Foreign Exchange Contract, One | Level 2 | Interest Expense
Derivative [Line Items]
Interest Expense			2.0
Designated as Hedging Instrument | Foreign Exchange Contract, Two | KWE
Derivative [Line Items]
Notional | €					40.0
Designated as Hedging Instrument | Foreign Exchange Contract, Two | Level 2 | KWE
Derivative [Line Items]
Hedge Assets						0.0
Hedge Liabilities						1.0
OCI (Losses) Gains			(1.8)
Income Statement Losses			0.0
Cash Paid			0.0
Designated as Hedging Instrument | Foreign Exchange Contract, Two | Level 2 | KWE | Interest Expense
Derivative [Line Items]
Interest Expense			0.0
Designated as Hedging Instrument | Foreign Exchange Contract, Three | KWE
Derivative [Line Items]
Notional | €					€ 475.0
Designated as Hedging Instrument | Foreign Exchange Contract, Three | Level 2 | KWE
Derivative [Line Items]
Hedge Assets						0.0
Hedge Liabilities						0.0
OCI (Losses) Gains			16.8
Income Statement Losses			0.0
Cash Paid			0.0
Designated as Hedging Instrument | Foreign Exchange Contract, Three | Level 2 | KWE | Interest Expense
Derivative [Line Items]
Interest Expense			0.0
Designated as Hedging Instrument | Foreign Exchange Contract, Four
Derivative [Line Items]
Notional | £							£ 515.0
Designated as Hedging Instrument | Foreign Exchange Contract, Four | Level 2
Derivative [Line Items]
Hedge Assets						18.3
Hedge Liabilities						18.8
OCI (Losses) Gains			(15.2)
Income Statement Losses			(1.9)
Cash Paid			0.0
Designated as Hedging Instrument | Foreign Exchange Contract, Four | Level 2 | Interest Expense
Derivative [Line Items]
Interest Expense			0.9
Designated as Hedging Instrument | Derivative Settled | Level 2
Derivative [Line Items]
Hedge Assets						0.0
Hedge Liabilities						0.0
OCI (Losses) Gains			2.5
Income Statement Losses			0.0
Cash Paid			0.7
Designated as Hedging Instrument | Derivative Settled | Level 2 | Interest Expense
Derivative [Line Items]
Interest Expense			0.1
Designated as Hedging Instrument | Foreign Exchange Contract, Six | Level 2
Derivative [Line Items]
Hedge Assets						0.0
Hedge Liabilities						$ 0.0
OCI (Losses) Gains			2.5
Income Statement Losses			0.0
Cash Paid			0.7
Designated as Hedging Instrument | Foreign Exchange Contract, Six | Level 2 | Interest Expense
Derivative [Line Items]
Interest Expense			$ 0.1