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Other Expense (Income), Net
 12 Months Ended
Jun. 30, 2021
Other Income and Expenses [Abstract]  
Other Expense (Income), Net Other Expense (Income), Net
 
Other expense (income), net consists of the following:
 
 Years Ended June 30,
($ in millions)202120202019
Unrealized gains on company owned life insurance contracts and investments held in rabbi trusts$(7.6)$(0.1)$(0.8)
Interest income— (0.1)(0.1)
Foreign exchange3.7 (2.8)0.4 
Pension earnings, interest and deferrals0.9 2.8 0.1 
Pension settlement charge11.4 — — 
Other— (0.4)(0.2)
Total other expense (income), net$8.4 $(0.6)$(0.6)