Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 1,900	$ 800	$ 3,400	$ 2,500
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	4,540		4,540
Finite-Lived Intangible Assets, Amortization Expense, Year Two	4,487		4,487
Finite-Lived Intangible Assets, Amortization Expense, Year Three	4,187		4,187
Finite-Lived Intangible Assets, Amortization Expense, Year Four	3,944		3,944
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 3,940		$ 3,940