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Other Expense, Net
 3 Months Ended
Sep. 30, 2020
Other Income and Expenses [Abstract]  
Other Expense, Net Other Expense, Net
 
Other expense, net consisted of the following:
 
Three Months Ended
September 30,
($ in millions)20202019
Unrealized gains on company-owned life insurance contracts and investments held in rabbi trusts$1.4 $0.1 
Foreign exchange (loss) gain(2.7)0.2 
Pension earnings, interest and deferrals (1.0)(0.7)
Other— 0.1 
Total other expense, net$(2.3)$(0.3)