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Product Warranties (Tables)
6 Months Ended
Jun. 30, 2024
Guarantees and Product Warranties [Abstract]  
Schedule of Warranty Liability Activity The following table presents the Company’s warranty liability activity:
(dollars in millions)Three Months Ended
June 30,
20242023
Balance at April 1,$185.0 $181.2 
Expense22.8 18.3 
Claims settled(20.2)(18.8)
Balance at June 30,$187.6 $180.7 
(dollars in millions)Six Months Ended
June 30,
20242023
Balance at January 1,$188.1 $182.5 
Expense42.5 36.7 
Claims settled(43.0)(38.5)
Balance at June 30,$187.6 $180.7