v3.24.2.u1
Schedule II-Valuation and Qualifying Accounts [Schedule] (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period $ 7.2 $ 6.8 $ 9.3
Charged to costs and expenses 7.5 2.4 0.0
Charged to other accounts 0.0 0.0 0.0
Deductions (5.1) (1.9) (2.5)
Balance at end of period 9.7 7.2 6.8
Deferred tax valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period 10.3 10.7 10.5
Charged to costs and expenses 0.5 0.0 0.0
Charged to other accounts 0.0 0.0 0.2
Deductions 0.0 (0.4) 0.0
Balance at end of period 10.8 10.3 10.7
Other receivables      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period 3.6 1.7 1.0
Charged to costs and expenses 0.0 1.7 0.7
Charged to other accounts 0.0 0.5 0.0
Deductions 0.0 (0.2) 0.0
Balance at end of period $ 3.6 $ 3.6 $ 1.7