XML 64 R49.htm IDEA: XBRL DOCUMENT v3.5.0.2
Intangible Assets And Goodwill (Range Of Remaining Estimated Useful Lives And Weighted-Average Amortization) (Details)
12 Months Ended
Aug. 31, 2016
License Rights [Member]  
Finite-Lived Intangible Assets [Line Items]  
Range of Remaining Estimated Useful Lives 10 years
Weighted Average Original Amortization Period 30 years
Curriculum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Weighted Average Original Amortization Period 26 years
Customer Lists [Member]  
Finite-Lived Intangible Assets [Line Items]  
Weighted Average Original Amortization Period 14 years
Internally Developed Software [Member]  
Finite-Lived Intangible Assets [Line Items]  
Weighted Average Original Amortization Period 3 years
Trade Names [Member]  
Finite-Lived Intangible Assets [Line Items]  
Weighted Average Original Amortization Period 5 years
Minimum [Member] | Curriculum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Range of Remaining Estimated Useful Lives 3 years
Minimum [Member] | Customer Lists [Member]  
Finite-Lived Intangible Assets [Line Items]  
Range of Remaining Estimated Useful Lives 1 year
Minimum [Member] | Trade Names [Member]  
Finite-Lived Intangible Assets [Line Items]  
Range of Remaining Estimated Useful Lives 1 year
Maximum [Member] | Curriculum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Range of Remaining Estimated Useful Lives 10 years
Maximum [Member] | Customer Lists [Member]  
Finite-Lived Intangible Assets [Line Items]  
Range of Remaining Estimated Useful Lives 3 years
Maximum [Member] | Trade Names [Member]  
Finite-Lived Intangible Assets [Line Items]  
Range of Remaining Estimated Useful Lives 3 years