Shareholders' Equity - Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 434.0	$ 437.5	$ 435.1	$ 406.1
Other comprehensive (loss) income before reclassifications			(35.1)	(4.9)
Amounts reclassified from accumulated other comprehensive loss			(5.2)	(8.4)
Total other comprehensive loss, net of tax	(20.2)	(7.5)	(40.3)	(13.3)
Ending balance	426.5	443.1	426.5	443.1
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(37.9)	(20.1)
Ending balance	(78.2)	(33.4)	(78.2)	(33.4)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(36.0)	(19.1)
Other comprehensive (loss) income before reclassifications			(40.3)	(13.1)
Amounts reclassified from accumulated other comprehensive loss			(0.5)	0.0
Total other comprehensive loss, net of tax			(40.8)	(13.1)
Ending balance	(76.8)	(32.2)	(76.8)	(32.2)
Pension and Post- Retirement Medical Benefits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(2.1)	(1.7)
Other comprehensive (loss) income before reclassifications			0.0	0.1
Amounts reclassified from accumulated other comprehensive loss			0.0	0.0
Total other comprehensive loss, net of tax			0.0	0.1
Ending balance	(2.1)	(1.6)	(2.1)	(1.6)
Cash Flow Hedge
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			0.2	0.7
Other comprehensive (loss) income before reclassifications			5.2	8.1
Amounts reclassified from accumulated other comprehensive loss			(4.7)	(8.4)
Total other comprehensive loss, net of tax			0.5	(0.3)
Ending balance	$ 0.7	$ 0.4	$ 0.7	$ 0.4