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Income Taxes (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2016 | Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2015
Current: |  |  |  |
Federal |  |  | $ (83) |
State and local |  | (26) | (30) |
Foreign |  | (282) | (185) | (311)
Current income tax expense benefit |  | (308) | (298) | (311)
Deferred: |  |  |  |
Federal |  | (9,536) | (3,148) | (1,967)
State and local |  | (66) | (51) | (245)
Foreign |  | 11,931 | (613) | (3,565)
Deferred income tax expense benefit |  | 2,329 | (3,812) | (5,777)
BENEFIT FROM (PROVISION FOR) INCOME TAXES | $ (16,600) | $ 2,021 | $ (4,110) | $ (6,088)

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