Shareholders' Equity - Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 622.1	$ 578.3	$ 472.1
Other comprehensive (loss) income before reclassifications	41.7	(27.3)
Amounts reclassified from AOCL	(2.2)	(3.1)
Total other comprehensive income (loss), net of tax	39.5	(30.4)	7.9
Ending balance	603.4	622.1	578.3
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(72.7)	(42.3)	(50.2)
Ending balance	(33.2)	(72.7)	(42.3)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(75.2)	(45.6)
Other comprehensive (loss) income before reclassifications	42.3	(28.6)
Amounts reclassified from AOCL	(1.0)	(1.0)
Total other comprehensive income (loss), net of tax	41.3	(29.6)
Ending balance	(33.9)	(75.2)	(45.6)
Pension and Postretirement Medical Benefits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	2.8	3.7
Other comprehensive (loss) income before reclassifications	(1.7)	(0.9)
Amounts reclassified from AOCL	0.0	0.0
Total other comprehensive income (loss), net of tax	(1.7)	(0.9)
Ending balance	1.1	2.8	3.7
Derivative Financial Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(0.5)	(0.4)
Other comprehensive (loss) income before reclassifications	1.6	2.0
Amounts reclassified from AOCL	(1.2)	(2.1)
Total other comprehensive income (loss), net of tax	0.4	(0.1)
Ending balance	(0.1)	(0.5)	(0.4)
Unrealized Gain (Loss) on Debt Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	0.2	0.0
Other comprehensive (loss) income before reclassifications	(0.5)	0.2
Amounts reclassified from AOCL	0.0	0.0
Total other comprehensive income (loss), net of tax	(0.5)	0.2
Ending balance	$ (0.3)	$ 0.2	$ 0.0