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Other Expense (Income), Net
 6 Months Ended
Dec. 31, 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
December 31,		Six Months Ended
December 31,
($ in millions)2022202120222021
Unrealized gains on company-owned life insurance contracts and investments held in rabbi trusts$(1.6)$(2.4)$(0.6)$(2.2)
Foreign exchange loss1.2 0.3 1.2 0.6 
Interest income(0.1)— (0.2)— 
Pension earnings, interest and deferrals expense (income) 2.5 (4.5)4.9 (9.1)
Other(0.1)— 0.1 — 
Total other expense (income), net$1.9 $(6.6)$5.4 $(10.7)