Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Assets:
Cash equivalents	$ 0.9	$ 0.9
Foreign Exchange Forwards
Assets:
Derivative asset	0.5	8.0
Liabilities:
Derivative liability	0.9	2.3
Interest Rate Swap Arrangements
Assets:
Derivative asset	9.3	33.1
Liabilities:
Derivative liability	2.4
Cross-Currency Swap Arrangements
Liabilities:
Derivative liability	44.9	34.1
Quoted prices in active markets for identical assets (level I)
Assets:
Cash equivalents	0.9	0.9
Quoted prices in active markets for identical assets (level I) | Foreign Exchange Forwards
Assets:
Derivative asset	0.0	0.0
Liabilities:
Derivative liability	0.0	0.0
Quoted prices in active markets for identical assets (level I) | Interest Rate Swap Arrangements
Assets:
Derivative asset	0.0	0.0
Liabilities:
Derivative liability	0.0
Quoted prices in active markets for identical assets (level I) | Cross-Currency Swap Arrangements
Liabilities:
Derivative liability	0.0	0.0
Significant other observable inputs (level II)
Assets:
Cash equivalents	0.0	0.0
Significant other observable inputs (level II) | Foreign Exchange Forwards
Assets:
Derivative asset	0.5	8.0
Liabilities:
Derivative liability	0.9	2.3
Significant other observable inputs (level II) | Interest Rate Swap Arrangements
Assets:
Derivative asset	9.3	33.1
Liabilities:
Derivative liability	2.4
Significant other observable inputs (level II) | Cross-Currency Swap Arrangements
Liabilities:
Derivative liability	44.9	34.1
Significant unobservable inputs (level III)
Assets:
Cash equivalents	0.0	0.0
Significant unobservable inputs (level III) | Foreign Exchange Forwards
Assets:
Derivative asset	0.0	0.0
Liabilities:
Derivative liability	0.0	0.0
Significant unobservable inputs (level III) | Interest Rate Swap Arrangements
Assets:
Derivative asset	0.0	0.0
Liabilities:
Derivative liability	0.0
Significant unobservable inputs (level III) | Cross-Currency Swap Arrangements
Liabilities:
Derivative liability	$ 0.0	$ 0.0