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Discontinued Operations - Additional Information (Detail) - Jun. 30, 2015 - USD ($) $ in Thousands | Total | Total
--- | --- | ---
Schedule Of Discontinued Operations [Line Items] |  |  |
Pretax loss on disposal of discontinued operations | [1] | $ 41,471 | $ 41,471
Acquisition consideration payable |  | 463 | 463
Advertising Business [Member] | Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] |  |  |
Schedule Of Discontinued Operations [Line Items] |  |  |
Pretax loss on disposal of discontinued operations |  | $ 41,471 | $ 41,471
[1] | As IDI Holdings, LLC, the accounting acquirer of the merger consummated effective as of March 21, 2015, was incorporated on September 22, 2014, no comparative figures for the corresponding periods in 2014 are presented.

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