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Description of Business and Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Apr. 30, 2016
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, 2014 | $ | (18,992 | )
Loss on foreign currency translation | (49,518 | )
Cumulative loss on foreign currency translation as of July 31, 2015 | $ | (68,510 | )
Loss on foreign currency translation | (15,281 | )
Cumulative loss on foreign currency translation as of April 30, 2016 | $ | (83,791 | )

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