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Other Expense, Net
 9 Months Ended
Mar. 31, 2024
Other Income and Expenses [Abstract]  
Other Expense, Net Other Expense, Net
 
Other expense, net consisted of the following:
Three Months Ended
March 31,		Nine Months Ended
March 31,
($ in millions)2024202320242023
Unrealized gains on company-owned life insurance contracts and investments held in rabbi trusts$(2.5)$(1.5)$(5.0)$(2.1)
Interest income(0.1)(0.1)(0.4)(0.2)
Foreign exchange (gains) losses(0.1)(0.1)1.3 1.1 
Pension earnings, interest and deferrals3.7 2.5 10.6 7.5 
Pension settlement charge51.9 — 51.9 — 
Other— — 0.1 (0.1)
Total other expense, net$52.9 $0.8 $58.5 $6.2