Derivative Instruments and Fair Value Accounting FX Hedge (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Foreign Currency Fair Value Hedge Derivative [Line Items]
Equity, Including Portion Attributable to Noncontrolling Interest		$ 1,250.4	$ 1,298.5	$ 1,250.4	$ 1,298.5	$ 1,257.8	$ 1,299.7	$ 1,307.2	$ 1,304.0	$ 1,288.5	$ 1,275.5
Unrealized gains/(losses) on derivative financial instruments
Foreign Currency Fair Value Hedge Derivative [Line Items]
Equity, Including Portion Attributable to Noncontrolling Interest		(2.8)		(2.8)				$ (3.0)
Foreign Exchange Forward | Designated as Hedging Instrument [Member]
Foreign Currency Fair Value Hedge Derivative [Line Items]
Derivative, Notional Amount		85.4		85.4
Derivative Asset		3.9		3.9
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	[1]	(4.9)		(4.9)
Foreign Exchange Forward | Unrealized gains/(losses) on derivative financial instruments | Designated as Hedging Instrument [Member]
Foreign Currency Fair Value Hedge Derivative [Line Items]
Equity, Including Portion Attributable to Noncontrolling Interest		(5.4)		(5.4)
Foreign Exchange Forward | Cost of Sales | Designated as Hedging Instrument [Member]
Foreign Currency Fair Value Hedge Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax		(1.2)	(1.2)	5.4	(5.8)
Foreign Exchange Option | Designated as Hedging Instrument [Member]
Foreign Currency Fair Value Hedge Derivative [Line Items]
Derivative, Notional Amount		22.2		22.2
Derivative Asset		1.3		1.3
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	[1]	0.3		0.3
Foreign Exchange Option | Unrealized gains/(losses) on derivative financial instruments | Designated as Hedging Instrument [Member]
Foreign Currency Fair Value Hedge Derivative [Line Items]
Equity, Including Portion Attributable to Noncontrolling Interest		(1.0)		(1.0)
Foreign Exchange Option | Cost of Sales | Designated as Hedging Instrument [Member]
Foreign Currency Fair Value Hedge Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax		$ 0.3	$ 0.0	$ 0.4	$ 0.2

[1] Based on the fair value of open hedges as of September 30, 2025