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Other Income
 3 Months Ended
Dec. 31, 2022
Other Income and Expenses [Abstract]  
Other Income Other Income
The components of Other income were (in millions):
Three Months Ended
December 31,
20222021
Interest income$1.3 $0.5 
Royalty income2.5 2.7 
Legacy product liability and environmental charges(2.8)(3.2)
Non-operating pension and postretirement benefit credit12.4 4.4 
Other3.9 (1.5)
Other income$17.3 $2.9