Accrued Expenses (Details) - USD ($) $ in Thousands	Nov. 30, 2018	Sep. 01, 2018	Aug. 31, 2018
Accrued Liabilities, Current [Abstract]
Contract liabilities	$ 709,258
Deferred income	0	$ 0	$ 691,365
Accrued compensation and employee benefits	585,585		570,400
Other accrued expenses	1,256,877	$ 879,411	1,000,979
Accrued expenses	$ 2,551,720		$ 2,262,744