v3.26.1
Fair Value of Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash Equivalents, at Carrying Value $ 157.4 $ 183.1
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Prepaid expenses and other [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign Currency Contracts, Asset, Carrying and Fair Value Disclosure 10.2 9.0
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Other assets and deferred charges [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign Currency Contracts, Asset, Carrying and Fair Value Disclosure 6.3 4.9
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Accrued expenses and other [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign Currency Contracts, Liability, Carrying and Fair Value Disclosure 0.1 0.0
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Prepaid expenses and other [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign Currency Contracts, Asset, Carrying and Fair Value Disclosure 33.4 53.7
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Other assets and deferred charges [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign Currency Contracts, Asset, Carrying and Fair Value Disclosure 3.6 0.0
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Accrued expenses and other [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign Currency Contracts, Liability, Carrying and Fair Value Disclosure 3.2 0.0
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Postretirement benefits and other long-term liabilities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign Currency Contracts, Liability, Carrying and Fair Value Disclosure 1.1  
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Prepaid expenses and other [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest Rate Derivative Assets, at Carrying and Fair Value 3.2 0.1
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Other assets and deferred charges [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest Rate Derivative Assets, at Carrying and Fair Value 12.3 0.7
Fair Value Swap | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Other assets and deferred charges [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value Contracts, Asset, Carrying and Fair Value Disclosure 12.5 0.0
Fair Value Swap | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Accrued expenses and other [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value Contracts, Liability, Carrying and Fair Value Disclosure 15.9 0.0
Fair Value Swap | Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Postretirement benefits and other long-term liabilities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value Contracts, Liability, Carrying and Fair Value Disclosure $ 0.0 $ 21.5