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Commitments and Contingencies (Tables)
3 Months Ended
Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Changes in warranty liability
Changes in the Company’s warranty liability during the three months ended December 31, 2022 and 2021 were as follows:

Three Months Ended
December 31,
 20222021
 (In millions)
Warranty liability, beginning of period$454.3 $376.3 
Warranties issued39.9 38.8 
Changes in liability for pre-existing warranties1.1 4.4 
Settlements made(31.3)(29.5)
Warranty liability, end of period$464.0 $390.0 
Changes in legal claims reserves
Changes in the Company’s legal claims reserves during the three months ended December 31, 2022 and 2021 were as follows:

Three Months Ended
December 31,
20222021
(In millions)
Reserves for legal claims, beginning of period$729.1 $577.5 
Increase in reserves 26.9 14.5 
Payments(7.5)(6.8)
Reserves for legal claims, end of period$748.5 $585.2