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Discontinued Operations - Schedule of Loss on Disposal Activity (Detail) - Jun. 30, 2015 - Advertising Business [Member] - Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] - USD ($)
$ in Thousands
Total
Loss On Disposal Of Discontinued Operations [Line Items]  
Write-off of goodwill $ 35,472
Write-off of intangible assets 4,080
Write-off of long-term deferred expenses 517
Lease agreement early termination expenses 1,211
Employee severance expenses 191
Loss on disposal of discontinued operations $ 41,471