Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax
Beginning balance	$ 466.1	$ 474.9	$ 492.2	$ 478.5
Other comprehensive income (loss) before reclassifications	(6.6)	(0.5)	(9.2)	(6.5)
Income tax effects before reclassifications	0.9	1.2	0.1	(0.1)
Amounts reclassified from AOCI	0.2	(0.3)	0.4	0.4
Income tax effects on reclassifications	(0.1)	0.1	(0.2)	(0.1)
Currency translation AOCI	0.9	0.5	(0.5)	(0.5)
Ending balance	466.5	466.1	503.9	492.2
Accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax
Beginning balance	(68.9)	(69.9)	(46.7)	(39.9)
Ending balance	(73.6)	(68.9)	(56.1)	(46.7)
Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax
Beginning balance	(76.8)	(79.4)	(61.5)	(55.1)
Other comprehensive income (loss) before reclassifications	(3.0)	2.3	(7.8)	(6.3)
Income tax effects before reclassifications	0.4	0.3	(0.5)	(0.1)
Amounts reclassified from AOCI	0.0	0.0	0.0	0.0
Income tax effects on reclassifications	0.0	0.0	0.0	0.0
Currency translation AOCI	0.0	0.0	0.0	0.0
Ending balance	(79.4)	(76.8)	(69.8)	(61.5)
Hedging Activities Adjustments
AOCI Attributable to Parent, Net of Tax
Beginning balance	9.3	10.8	15.6	16.1
Other comprehensive income (loss) before reclassifications	(3.6)	(2.8)	(1.4)	(0.4)
Income tax effects before reclassifications	0.5	0.9	0.5	0.1
Amounts reclassified from AOCI	0.2	(0.3)	0.4	0.4
Income tax effects on reclassifications	(0.1)	0.1	(0.2)	(0.1)
Currency translation AOCI	1.0	0.6	(0.5)	(0.5)
Ending balance	7.3	9.3	14.4	15.6
Pension and Other Postretirement Benefit Liability Adjustment
AOCI Attributable to Parent, Net of Tax
Beginning balance	(1.4)	(1.3)	(0.8)	(0.9)
Other comprehensive income (loss) before reclassifications	0.0	0.0	0.0	0.2
Income tax effects before reclassifications	0.0	0.0	0.1	(0.1)
Amounts reclassified from AOCI	0.0	0.0	0.0	0.0
Income tax effects on reclassifications	0.0	0.0	0.0	0.0
Currency translation AOCI	(0.1)	(0.1)	0.0	0.0
Ending balance	$ (1.5)	$ (1.4)	$ (0.7)	$ (0.8)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss).

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