XML 70 R53.htm IDEA: XBRL DOCUMENT v3.25.1
Debt - Unamortized Discount and Debt Issuance Costs (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
May 31, 2024
Mar. 31, 2024
Debt Instrument [Line Items]        
Total unamortized discount $ (13.1)     $ (13.9)
Total debt issuance costs (19.5)     (5.5)
Commercial Paper        
Debt Instrument [Line Items]        
Total unamortized discount (0.1)     (3.9)
Senior indebtedness | 0.983% 2024 Notes        
Debt Instrument [Line Items]        
Total unamortized discount 0.0     (0.4)
Total debt issuance costs 0.0     (0.2)
Senior indebtedness | 4.250% 2025 Notes        
Debt Instrument [Line Items]        
Total unamortized discount (1.3)     (4.4)
Total debt issuance costs (0.2)     (0.6)
Senior indebtedness | 4.900% 2028 Notes        
Debt Instrument [Line Items]        
Total unamortized discount (3.3) $ (3.6)   0.0
Total debt issuance costs (1.7)     0.0
Senior indebtedness | 5.050% 2029 Notes        
Debt Instrument [Line Items]        
Total unamortized discount (4.3)     (5.2)
Total debt issuance costs (1.8)     (2.2)
Senior indebtedness | 5.050% 2030 Notes        
Debt Instrument [Line Items]        
Total unamortized discount (4.1) $ (4.3)   0.0
Total debt issuance costs (1.7)     0.0
Term Loan Facility        
Debt Instrument [Line Items]        
Total debt issuance costs 0.0     (0.7)
Senior subordinated convertible debt | 2017 Senior Convertible Debt        
Debt Instrument [Line Items]        
Total debt issuance costs (0.1)     (0.1)
Senior subordinated convertible debt | 2020 Senior Convertible Debt        
Debt Instrument [Line Items]        
Total debt issuance costs 0.0     (1.7)
Senior subordinated convertible debt | 2024 Senior Convertible Debt        
Debt Instrument [Line Items]        
Total debt issuance costs $ (14.0)   $ (16.5) $ 0.0