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Commitments, Contingent Liabilities and Litigation (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Oct. 31, 2016 plaintiff lawsuit | Jul. 31, 2014 | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($)
Subsequent Event |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of lawsuits filed | lawsuit | 31 |  |  |
Number of plaintiffs | plaintiff | 250 |  |  |
DEA Investigation and Related Matters |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Litigation accrual |  |  | $ 44.0 | $ 44.0
CVS Health |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Initial term of pharmaceutical sourcing venture |  | 10 years |  |
Maximum quarterly payment |  |  | $ 45.6 |

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