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Schedule II
12 Months Ended
Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II
Schedule II

Valuation and Qualifying Accounts
(Dollars in millions)
Successor
  Balance atCharged to  Balance at
BeginningCosts andDeductionsEnd of
Descriptionof PeriodExpenses(a)Other (b)Period
Year Ended December 31, 2022
Allowance for doubtful accounts5.4 0.3 (0.4)2.1 7.4 
Product warranty5.9 (0.7)(0.8)— 4.4 
Year Ended December 31, 2021
Allowance for doubtful accounts  — — (0.7)6.1 5.4 
Product warranty  — 0.9 (0.4)5.4 5.9 
Predecessor
Balance atCharged toBalance at
BeginningCosts andDeductionsEnd of
Descriptionof PeriodExpenses(a)Other (b)Period
Period Ended October 19, 2021
Allowance for doubtful accounts6.1 0.2 (0.2)— 6.1 
Product warranty6.3 — (0.7)— 5.6 
Year Ended June 30, 2021     
Allowance for doubtful accounts  1.9 2.5     (0.7)2.4 6.1 
Product warranty  5.5 2.8     (2.2)0.2 6.3 
Year Ended June 30, 2020     
Allowance for doubtful accounts  1.7 0.9     (0.7)— 1.9 
Product warranty  4.2 2.9     (1.6)— 5.5 
(a)Charges to the accounts included in this column are for the purposes for which the reserves were created
(b)Amounts included in this column relate to foreign currency translation and valuation adjustments