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Other Income (Expense), Net (Tables) | 12 Months Ended
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Jun. 30, 2018
Other Income and Expenses [Abstract] |
Schedule of other income, net | Other income (expense), net consists of the following:
|  | Years Ended June 30,
($ in millions) |  | 2018 |  | 2017 |  | 2016
Unrealized gains (losses) on company owned life insurance contracts and investments held in rabbi trusts |  | $ | 1.5 |  |  | $ | 1.7 |  |  | $ | (0.5 | )
Interest income |  | 0.3 |  |  | 0.3 |  |  | 0.2 |
Equity in earnings of unconsolidated subsidiaries |  | — |  |  | — |  |  | 0.6 |
Foreign exchange |  | (0.6 | ) |  | (0.4 | ) |  | (2.4 | )
Other |  | 0.2 |  |  | 1.2 |  |  | — |
Total other income (expense), net |  | $ | 1.4 |  |  | $ | 2.8 |  |  | $ | (2.1 | )

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