Restructuring and Related Charges (Summary) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2019	Nov. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 45,251	$ 6,025
Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	18,781	5,179
Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	239	9
Asset write-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	16,316	184
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	9,915	653
EMS
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	17,400	4,400
DMS
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	25,200	1,600
Non-allocated charges
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 2,700	$ 0