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Product Warranties (Tables)
9 Months Ended
Sep. 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
September 30,
20242023
Balance at July 1,$187.6 $180.7 
Expense16.0 18.6 
Claims settled(16.4)(17.6)
Balance at September 30,$187.2 $181.7 
(dollars in millions)Nine Months Ended
September 30,
20242023
Balance at January 1,$188.1 $182.5 
Expense58.5 55.3 
Claims settled(59.4)(56.1)
Balance at September 30,$187.2 $181.7