v3.25.2
Derivative Instruments and Fair Value Accounting FX Hedge (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
Foreign Currency Fair Value Hedge Derivative [Line Items]                
Equity, Including Portion Attributable to Noncontrolling Interest $ 1,257.8 $ 1,304.0 $ 1,257.8 $ 1,304.0 $ 1,299.7 $ 1,307.2 $ 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 (3.0)   (3.0)     $ (3.0)    
Foreign Exchange Forward | Designated as Hedging Instrument [Member]                
Foreign Currency Fair Value Hedge Derivative [Line Items]                
Derivative, Notional Amount 60.3   60.3          
Derivative Asset 3.3   3.3          
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net [1] (3.6)   (3.6)          
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 $ (3.8)   $ (3.8)          
Foreign Exchange Forward | Cost of Sales | Designated as Hedging Instrument [Member]                
Foreign Currency Fair Value Hedge Derivative [Line Items]                
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of revenues Cost of revenues Cost of revenues Cost of revenues        
Foreign Exchange Option | Designated as Hedging Instrument [Member]                
Foreign Currency Fair Value Hedge Derivative [Line Items]                
Derivative, Notional Amount $ 36.9   $ 36.9          
Derivative Asset 1.5   1.5          
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net [1] 1.1   1.1          
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 $ (0.4)   $ (0.4)          
Foreign Exchange Option | Cost of Sales | Designated as Hedging Instrument [Member]                
Foreign Currency Fair Value Hedge Derivative [Line Items]                
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of revenues Cost of revenues Cost of revenues Cost of revenues        
[1] Based on the fair value of open hedges as of June 30, 2025