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Financing and Other Debt - Schedule of Long Term Debt (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Debt Instrument [Line Items]      
Carrying value $ 3,692.3 $ 3,620.7  
Less total unamortized debt issuance costs/discounts (31.8) (33.9)  
Less current portion of long-term debt (54.7) (54.7)  
Long-term debt, net 3,605.7 3,532.0  
Unamortized debt issuance costs/discounts, current 8.7 8.7  
Senior Notes due March 15, 2033      
Debt Instrument [Line Items]      
Carrying value $ 550.0 $ 550.0  
Total borrowings under the Credit Agreement      
Debt Instrument [Line Items]      
Weighted average effective interest rate percent 5.40% 5.50%  
Supplemental information under Credit Agreement:      
Commitment fee percentage 0.30% 0.30%  
Total borrowings under the Credit Agreement | Minimum      
Supplemental information under Credit Agreement:      
Commitment fee percentage 0.25%    
Total borrowings under the Credit Agreement | Maximum      
Supplemental information under Credit Agreement:      
Commitment fee percentage 0.45%    
Senior Notes due March 15, 2033 | Senior Notes due March 15, 2033      
Debt Instrument [Line Items]      
Carrying value $ 550.0 $ 550.0  
Line of Credit | Term A-1 Loans | Securitized debt (VIEs)      
Debt Instrument [Line Items]      
Carrying value $ 810.0 821.3  
Debt covenant, maturity date prior to maturity of Term B-2 Loans 91 days    
Line of Credit | Term B-2 Loans due April 1, 2028 | Securitized debt (VIEs)      
Debt Instrument [Line Items]      
Carrying value $ 1,371.0 1,374.4  
Line of Credit | Term B-3 Loans due March 6, 2032 | Securitized debt (VIEs)      
Debt Instrument [Line Items]      
Carrying value 445.5 446.6  
Line of Credit | Total borrowings under the Credit Agreement      
Debt Instrument [Line Items]      
Carrying value 3,142.3 3,070.7  
Borrowings on Revolving Credit Facility      
Debt Instrument [Line Items]      
Carrying value $ 515.8 428.4  
Debt covenant, maturity date prior to maturity of Term B-2 Loans 91 days    
Borrowings on Revolving Credit Facility | Total borrowings under the Credit Agreement      
Supplemental information under Credit Agreement:      
Letters of credit   1,600.0 $ 1,600.0
Remaining borrowing capacity $ 1,039.6 1,127.1  
Borrowings on Revolving Credit Facility | Total borrowings under the Credit Agreement | Letters of Credit      
Supplemental information under Credit Agreement:      
Letters of credit $ 44.6 $ 44.5  
Credit Facility Term Loans | Term B-2 Loans due April 1, 2028 | Base Rate      
Debt Instrument [Line Items]      
Margin on variable rate, percent 0.75%    
Credit Facility Term Loans | Term B-2 Loans due April 1, 2028 | Secured Overnight Financing Rate (SOFR)      
Debt Instrument [Line Items]      
Margin on variable rate, percent 1.75%