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Basis of Presentation and Summary of Significant Accounting Policies (Revenue and Gross Trade Receivables Percentage by Major Customers) (Details) - Pharmaceutical | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
CVS Health |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percent of Revenue | 26.00% | 25.00% | 23.00%
Percent of Gross Trade Receivables | 24.00% | 22.00% |
OptumRx [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percent of Revenue | 13.00% | 11.00% | 11.00%
Percent of Gross Trade Receivables | 4.00% | 4.00% |

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