v3.26.3
Long Term Debt (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
May 16, 2025
USD ($)
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 2,500.0
Minimum Amount Of Debt Default On Single Instrument To Trigger Cross Default On Line Of Credit Facility $ 100.0 $ 100.0      
Debt Instrument, Covenant, Consolidated Capitalization Ratio, Minimum   0.65      
Debt Instrument, Covenant, Consolidated Capitalization Ratio, Maximum   1.0      
Debt Instrument, Covenant, Interest Coverage Ratio, Minimum   3.0      
Debt Instrument, Covenant, Interest Coverage Ratio, Maximum   1.0      
Gain (Loss) on Extinguishment of Debt   $ 13.1      
Repayments of Long-term Debt   1,488.5 $ 54.5    
Location, Statement of Income, Balance [Axis]: us-gaap:InterestIncomeExpenseNonoperatingNet | Treasury Lock | Not Designated as Hedging Instrument          
Debt Instrument [Line Items]          
Treasury lock derivative, gain on settlement $ 2.9 $ 2.9      
Senior Notes Due 2029          
Debt Instrument [Line Items]          
Debt Instrument, Interest Rate, Stated Percentage 4.35% 4.35%      
Senior Notes and Debentures Due          
Debt Instrument [Line Items]          
Repayments of Long-term Debt   $ 1,400.0      
2026 Term Loan Facility          
Debt Instrument [Line Items]          
Term Loan Facility Commitment Amount $ 1,000.0 1,000.0      
2026 Term Loan Facility | Three Year Term Loan          
Debt Instrument [Line Items]          
Long-Term Debt, Gross       $ 500.0  
Term Loan Facility Commitment Amount     500.0    
2026 Term Loan Facility | 364-Day Term Loan          
Debt Instrument [Line Items]          
Term Loan Facility Commitment Amount     $ 500.0    
Long-Term Debt, Current, Gross 500.0 500.0      
Term Loan          
Debt Instrument [Line Items]          
Long-Term Debt, Gross $ 570.0 $ 570.0      
Senior Notes | Senior Notes Due 2027          
Debt Instrument [Line Items]          
Debt Instrument, Interest Rate, Stated Percentage 4.05% 4.05%      
Senior Notes | Senior Notes Due 2028          
Debt Instrument [Line Items]          
Debt Instrument, Interest Rate, Stated Percentage 5.375% 5.375%      
Senior Notes | Senior Notes Due 2029          
Debt Instrument [Line Items]          
Debt Instrument, Interest Rate, Stated Percentage 4.35% 4.35%      
Senior Notes | Senior Notes Due 2031          
Debt Instrument [Line Items]          
Long-Term Debt, Gross $ 1,000.0 $ 1,000.0      
Debt Instrument, Interest Rate, Stated Percentage 5.35% 5.35%      
Senior Notes | Senior Notes Due 2036          
Debt Instrument [Line Items]          
Long-Term Debt, Gross $ 500.0 $ 500.0      
Debt Instrument, Interest Rate, Stated Percentage 5.90% 5.90%      
Senior Notes | Senior Notes Due 2034          
Debt Instrument [Line Items]          
Long-Term Debt, Gross $ 500.0 $ 500.0      
Debt Instrument, Interest Rate, Stated Percentage 5.65% 5.65%      
Senior Notes | Senior Notes Due 2029          
Debt Instrument [Line Items]          
Long-Term Debt, Gross $ 338.9 $ 338.9      
Notes Payable, Other Payables | Debentures Due 2028          
Debt Instrument [Line Items]          
Debt Instrument, Interest Rate, Stated Percentage 7.30% 7.30%