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Discontinued Operations, Assets Held for Sale - Net Proceeds from the Sale (Detail) - Commercial Business Segment - USD ($) $ in Thousands | Dec. 24, 2015 | Nov. 19, 2015
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Abstral Rights Net |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Disposal Group, Including Discontinued Operation, Consideration |  | $ 8,348
Disposal Group, Including Discontinued Operation, Transaction Costs |  | (815)
Disposal Group, Including Discontinued Operation, Consideration, Net |  | $ 7,533
Zuplenz Rights |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 3,750 |
Disposal Group, Including Discontinued Operation, Transaction Costs | (1,050) |
Disposal Group, Including Discontinued Operation, Consideration, Net | $ 2,700 |

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