v3.26.1
Financial Instruments and Risk Management (Effect of Derivative Instruments on the Condensed Consolidated Balance Sheets Fair Value of Derivative Instruments Derivatives Designated As Hedging Instruments) (Details)
€ in Millions, ¥ in Millions, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended
Feb. 26, 2026
EUR (€)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
EUR (€)
Jun. 30, 2026
JPY (¥)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2025
JPY (¥)
Dec. 31, 2025
USD ($)
Derivatives, Fair Value [Line Items]                      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax   $ (5.2) $ 0.6 $ (8.5) $ 9.3            
Not Designated as Hedging Instruments                      
Derivatives, Fair Value [Line Items]                      
Net unrecognized gain (loss) on derivatives in cash flow hedging relationships   (0.2) (121.9) 31.3 (228.4)            
Foreign currency forward contracts | Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense | Not Designated as Hedging Instruments                      
Derivatives, Fair Value [Line Items]                      
Net unrecognized gain (loss) on derivatives in cash flow hedging relationships   (0.2) (125.3) 29.3 (235.2)            
Net Investment Hedging                      
Derivatives, Fair Value [Line Items]                      
Long-term debt           € 3,500.0 ¥ 40,000        
Notional amount of derivative           € 2,750.0 ¥ 40,000   € 2,850.0 ¥ 40,000  
Net Investment Hedging | Foreign currency forward contracts                      
Derivatives, Fair Value [Line Items]                      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax   1.1 1.1 2.3 1.1            
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax   (2.9) (4.6) (6.3) (4.6)            
Net Investment Hedging | Foreign currency forward contracts | Not Designated as Hedging Instruments                      
Derivatives, Fair Value [Line Items]                      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax   36.6 (233.0) 69.3 (349.4)            
Net Investment Hedging | Interest rate swaps | Income Statement Location [Axis]: us-gaap:InterestExpense                      
Derivatives, Fair Value [Line Items]                      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax   0.0 (40.3) 9.7 (60.1)            
Net unrecognized gain (loss) on derivatives in cash flow hedging relationships   0.0 3.4 2.0 6.8            
Cash Flow Hedging | Foreign currency forward contracts | Income Statement Location [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax                      
Derivatives, Fair Value [Line Items]                      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax   (5.4) 0.7 (8.7) 10.6            
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax   0.1 (21.6) 1.7 (34.8)            
Cash Flow Hedging | Interest rate swaps | Income Statement Location [Axis]: us-gaap:InterestExpense                      
Derivatives, Fair Value [Line Items]                      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax   (0.9) (1.2) (2.1) (2.4)            
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax   $ (0.8) $ (1.0) $ (1.7) $ (1.9)            
2027 Euro Senior Notes                      
Derivatives, Fair Value [Line Items]                      
Stated percentage rate           1.362% 1.362% 1.362%      
2027 Euro Senior Notes | Senior Notes                      
Derivatives, Fair Value [Line Items]                      
Long-term debt               $ 0.0     $ 1,011.5
2027 Euro Senior Notes | Net Investment Hedging                      
Derivatives, Fair Value [Line Items]                      
Long-term debt | €           € 850.0          
Notional amount of derivative | €           € 850.0     € 850.0    
2028 Euro Senior Notes | Senior Notes                      
Derivatives, Fair Value [Line Items]                      
Stated percentage rate           3.125% 3.125% 3.125% 3.125% 3.125% 3.125%
De-designated notional amount | € € 750.0                    
2028 Euro Senior Notes | Net Investment Hedging                      
Derivatives, Fair Value [Line Items]                      
Long-term debt | €           € 750.0          
Notional amount of derivative | €           € 0.0     € 750.0    
2032 Euro Senior Notes | Senior Notes                      
Derivatives, Fair Value [Line Items]                      
Long-term debt               $ 1,500.6     $ 1,549.2
Stated percentage rate           1.908% 1.908% 1.908%      
2032 Euro Senior Notes | Net Investment Hedging                      
Derivatives, Fair Value [Line Items]                      
Long-term debt | €           € 1,250.0          
Notional amount of derivative | €           € 1,250.0     1,250.0    
2033 Euro Senior Notes | Senior Notes                      
Derivatives, Fair Value [Line Items]                      
Long-term debt               $ 740.5     0.0
Stated percentage rate           4.25% 4.25% 4.25%      
2033 Euro Senior Notes | Net Investment Hedging                      
Derivatives, Fair Value [Line Items]                      
Long-term debt | €           € 650.0          
Notional amount of derivative | €           € 650.0     € 0.0    
YEN Term Loan                      
Derivatives, Fair Value [Line Items]                      
Long-term debt               $ 246.1     $ 0.0
YEN Term Loan | Net Investment Hedging                      
Derivatives, Fair Value [Line Items]                      
Long-term debt | ¥             ¥ 40,000        
Notional amount of derivative | ¥             ¥ 40,000     ¥ 40,000