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Other Expense (Income), Net
 3 Months Ended
Sep. 30, 2022
Other Income and Expenses [Abstract]  
Other Expense (Income), Net Other Expense (Income), Net
 
Other expense (income), net consisted of the following:
 
Three Months Ended
September 30,
($ in millions)20222021
Unrealized losses on company-owned life insurance contracts and investments held in rabbi trusts$1.0 $0.2 
Foreign exchange loss0.1 0.3 
Interest income(0.1)— 
Pension earnings, interest and deferrals expense (income) 2.5 (4.5)
Other— (0.1)
Total other expense (income), net$3.5 $(4.1)