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Other Comprehensive Income - Changes in Components of Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-tax	$ 6.9	$ 29.8
Tax	0.6	0.9
Other comprehensive income	7.5	30.7
Pension and OPEB liability adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-tax	1.2	1.3
Tax	(0.7)	(2.0)
Other comprehensive income	0.5	(0.7)
Derivative instrument adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-tax	(14.1)	22.4
Tax	2.7	0.3
Other comprehensive income	(11.4)	22.7
Unrealized foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-tax	19.8	6.1
Tax	(1.4)	2.6
Other comprehensive income	$ 18.4	$ 8.7

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