Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Assets:
Cash equivalents	$ 2.7	$ 1.7
Foreign exchange forwards
Assets:
Derivative asset	0.7	1.9
Liabilities:
Derivative Liability	1.0	0.7
Swap arrangements
Assets:
Derivative asset	42.4	10.1
Quoted prices in active markets for identical assets (level I)
Assets:
Cash equivalents	2.7	1.7
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) | Swap arrangements
Assets:
Derivative asset	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	0.7	1.9
Liabilities:
Derivative Liability	1.0	0.7
Significant other observable inputs (level II) | Swap arrangements
Assets:
Derivative asset	42.4	10.1
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) | Swap arrangements
Assets:
Derivative asset	$ 0.0	$ 0.0