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Employee Benefit Plans (Schedule of PSUs Earned and Vested Based on Stock Price Appreciation (Stock Price PSUs)) (Parenthetical) (Details) - Stock Price PSU | 12 Months Ended
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Jun. 30, 2018 $ / shares
Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | $ 8.96
At least $8.96 but less than $11.63 | Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | 8.96
At least $8.96 but less than $11.63 | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | 11.63
At least $11.63 but less than $13.15 | Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | 11.63
At least $11.63 but less than $13.15 | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | 13.15
At least $13.15 but less than $16.56 | Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | 13.15
At least $13.15 but less than $16.56 | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | 16.56
$16.56 or more |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average adjusted closing stock price | $ 16.56

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