Summary of Significant Accounting Policies - Intangible Assets (Details)	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015
Patents and trademarks
Intangible Assets
Estimated useful lives		14 years
Patents and trademarks | Minimum
Intangible Assets
Estimated useful lives	5 years
Patents and trademarks | Maximum
Intangible Assets
Estimated useful lives	25 years
Acquired technology
Intangible Assets
Estimated useful lives		5 years
Acquired technology | Minimum
Intangible Assets
Estimated useful lives	4 years
Acquired technology | Maximum
Intangible Assets
Estimated useful lives	5 years