v3.26.1
Schedule II-Valuation and Qualifying Accounts [Schedule] (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period $ 12.5 $ 9.7 $ 7.2
Charged to costs and expenses 4.0 11.6 7.5
Charged to other accounts 0.0 0.0 0.0
Deductions (3.4) (8.7) (5.1)
Balance at end of period 13.2 12.5 9.7
Deferred tax valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period 11.2 10.8 10.3
Charged to costs and expenses 0.0 0.3 0.5
Charged to other accounts 0.0 0.1 0.0
Deductions (4.3) 0.0 0.0
Balance at end of period 6.9 11.2 10.8
Other receivables      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period 2.8 3.6 3.6
Charged to costs and expenses 0.0 0.0 0.0
Charged to other accounts 0.0 0.0 0.0
Deductions 0.0 (0.8) 0.0
Balance at end of period $ 2.8 $ 2.8 $ 3.6