Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Statement of Comprehensive Income [Abstract] | |||
| Unrealized gains (losses) on available-for-sale securities, taxes | $ 0.0 | $ 1.2 | $ (0.6) |
| Pension and post-retirement liability adjustment, taxes | $ 0.9 | $ (0.4) | $ 1.0 |
| X | ||||||||||
- Definition Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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