Accrued Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2019	Aug. 31, 2019
Accrued Liabilities, Current [Abstract]
Contract liabilities	$ 488,337	$ 511,329
Accrued compensation and employee benefits	650,820	600,907
Other accrued expenses	2,028,794	1,877,908
Accrued expenses	3,167,951	$ 2,990,144
Revenue recognized during period that was included in contract liability balance	$ 101,400