Description of Business and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Oct. 31, 2015	Jul. 31, 2015
Cumulative Translation Adjustment Summary [Roll Forward]
Cumulative loss on foreign currency translation, Begining balance	$ (68,510)	$ (18,992)
Loss on foreign currency translation	(6,663)	(49,518)
Cumulative loss on foreign currency translation, Ending balance	$ (75,173)	$ (68,510)