v3.25.0.1
Debt - Components of Interest Expense (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Convertible senior notes        
Interest Expense, Debt [Abstract]        
Cash interest expense $ 4.8   $ 9.6  
Term Loan Facility        
Interest Expense, Debt [Abstract]        
Amortization of debt issuance costs 0.5 $ 0.9 1.0 $ 1.7
Amortization of debt discount 1.1 1.5 2.2 2.8
Total non-cash interest expense related to the 2029 Notes 1.6 2.3 3.2 4.5
Cash interest expense 27.3 23.4 56.2 46.7
Total interest expense related to the 2026 Notes 28.9 25.7 59.4 51.2
5.50% Convertible Senior Notes due 2029        
Interest Expense, Debt [Abstract]        
Amortization of debt issuance costs 0.3   0.6  
Total non-cash interest expense related to the 2029 Notes 0.3   0.6  
Total interest expense related to the 2026 Notes 5.1   10.2  
0.00% Convertible Senior Notes due 2026        
Interest Expense, Debt [Abstract]        
Amortization of debt issuance costs 0.2 1.1 0.4 2.3
Total interest expense related to the 2026 Notes $ 0.2 $ 1.1 $ 0.4 $ 2.3