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Acquisitions and Divestitures - Narrative - Divestiture (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Apr. 11, 2016 | Jun. 30, 2016 | Jun. 30, 2016 | Jun. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds |  |  | $ 9,250 | $ 0
Gain |  | $ 6,900 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Initial purchase price | $ 11,000 |  |  |
Proceeds | 9,000 | 9,300 |  |
Receivables |  | 5,400 | 5,400 |
Fair value of obligations to be fulfilled by the Company |  | $ 3,700 | $ 3,700 |
Certain Transition Services |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Receivables | $ 1,000 |  |  |
Payout period | 2 years |  |  |
Satisfaction Of Certain Conditions |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Receivables | $ 1,000 |  |  |
Purchase Of Module Product Inventory |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Receivables | 3,800 |  |  |
Purchase Of Module Product Inventory - Certain Transition Services |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Receivables | $ 1,000 |  |  |
Payout period | 2 years |  |  |

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