Note 3. Derivative Instruments and Fair Value Measurements Derivatives - FX Hedge (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Total stockholders' equity		$ 1,275.5	$ 1,269.6	$ 1,296.8	$ 2,016.0
Designated as Hedging Instrument [Member] | Foreign Exchange Forward
Derivative [Line Items]
Derivative, Notional Amount		125.3
Derivative Asset		5.8
Designated as Hedging Instrument [Member] | Foreign Exchange Option
Derivative [Line Items]
Derivative, Notional Amount		16.4
Derivative Asset		1.0
Designated as Hedging Instrument [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Foreign Exchange Forward
Derivative [Line Items]
Total stockholders' equity		(6.5)
Designated as Hedging Instrument [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Foreign Exchange Option
Derivative [Line Items]
Total stockholders' equity		$ (0.4)
Designated as Hedging Instrument [Member] | Cost of Sales | Foreign Exchange Forward
Derivative [Line Items]
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]		Cost of revenues:	Cost of revenues:	Cost of revenues:
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	[1]	$ (5.8)
Designated as Hedging Instrument [Member] | Cost of Sales | Foreign Exchange Option
Derivative [Line Items]
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]		Cost of revenues:	Cost of revenues:	Cost of revenues:
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	[1]	$ (0.4)

[1] Based on the fair value of open hedges as of December 31, 2023