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Description of Business and Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Apr. 30, 2017
Accounting Policies [Abstract] |
Schedule of foreign currency translation | The cumulative effects of foreign currency exchange rate fluctuations were as follows (in thousands):
Cumulative loss on foreign currency translation as of July 31, 2015 |  | $ | (68,510 | )
Loss on foreign currency translation |  | (40,684 | )
Cumulative loss on foreign currency translation as of July 31, 2016 |  | $ | (109,194 | )
Loss on foreign currency translation |  | (5,074 | )
Cumulative loss on foreign currency translation as of April 30, 2017 |  | $ | (114,268 | )

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- Definition Tabular disclosure of foreign currency exchange rate fluctuations. + References No definition available. + Details
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