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Goodwill (Tables)
3 Months Ended
Nov. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill The gross change in the carrying amount of goodwill for the three months ended November 30, 2018 was as follows (in thousands):
 
Goodwill
August 31, 2018
$
168,065

Foreign currency translation adjustment
(372
)
November 30, 2018
$
167,693