Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Assets:
Cash equivalents	$ 10.6	$ 0.4
Foreign Exchange Forwards
Assets:
Derivative asset	5.5	1.3
Liabilities:
Derivative liability	1.9	3.4
Interest Rate Swap Arrangements
Assets:
Derivative asset	7.4	42.6
Cross-Currency Swap Arrangements
Assets:
Derivative asset		3.7
Liabilities:
Derivative liability	91.0	13.2
Quoted prices in active markets for identical assets (level I)
Assets:
Cash equivalents	10.6	0.4
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
Quoted prices in active markets for identical assets (level I) | Cross-Currency Swap Arrangements
Assets:
Derivative asset		0.0
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	5.5	1.3
Liabilities:
Derivative liability	1.9	3.4
Significant other observable inputs (level II) | Interest Rate Swap Arrangements
Assets:
Derivative asset	7.4	42.6
Significant other observable inputs (level II) | Cross-Currency Swap Arrangements
Assets:
Derivative asset		3.7
Liabilities:
Derivative liability	91.0	13.2
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
Significant unobservable inputs (level III) | Cross-Currency Swap Arrangements
Assets:
Derivative asset		0.0
Liabilities:
Derivative liability	$ 0.0	$ 0.0