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Other Expense (Income), Net
 9 Months Ended
Mar. 31, 2023
Other Income and Expenses [Abstract]  
Other Expense (Income), Net Other Expense (Income), Net
 
Other expense (income), net consisted of the following:
 
Three Months Ended
March 31,		Nine Months Ended
March 31,
($ in millions)2023202220232022
Unrealized (gains) losses on company-owned life insurance contracts and investments held in rabbi trusts$(1.5)$2.2 $(2.1)$— 
Foreign exchange (gain) losses(0.1)0.7 1.1 1.3 
Interest income(0.1)— (0.2)— 
Pension earnings, interest and deferrals 2.5 (4.5)7.5 (13.7)
Other— (0.2)(0.1)(0.1)
Total other expense (income), net$0.8 $(1.8)$6.2 $(12.5)