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REVENUE RECOGNITION - Contract Assets and Contract Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2018
Aug. 31, 2018
Revenue from Contract with Customer [Abstract]    
Contract assets (included in other current assets) $ 70,455 $ 49,221
Contract liabilities (included in accrued expenses and other payables) 23,716 $ 6,679
Amount of revenue reclassified from contract liabilities in the period $ 5,500