Annual report pursuant to Section 13 and 15(d)

Schedule II (Details)

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Schedule II (Details) - USD ($)
$ in Millions
 4 Months Ended 12 Months Ended
Oct. 19, 2021
Dec. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Allowance for doubtful accounts          
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]          
Balance at beginning of period $ 6.1 $ 0.0 $ 1.9 $ 1.7 $ 1.9
Charge to cost and expense 0.2 0.0 2.5 0.9 0.2
Deductions (0.2) (0.7) (0.7) (0.7) (0.4)
Other 0.0 6.1 2.4 0.0 0.0
Balance at end of period 6.1 5.4 6.1 1.9 1.7
Product warranty          
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]          
Balance at beginning of period 6.3 0.0 5.5 4.2 5.4
Charge to cost and expense 0.0 0.9 2.8 2.9 1.5
Deductions (0.7) (0.4) (2.2) (1.6) (2.6)
Other 0.0 5.4 0.2 0.0 (0.1)
Balance at end of period $ 5.6 $ 5.9 $ 6.3 $ 5.5 $ 4.2