Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Income Tax Disclosure Additional Details [Table] [Line Items]
(Loss) earnings from continuing operations before income tax (benefit) expense	$ (5,337)	$ 31,820	$ 6,709	$ 20,231
Income tax (benefit) expense	$ (407)	$ 4,962	$ 1,349	$ 9,030
Effective Income Tax Rate Reconciliation, Percent	7.60%	15.60%	20.10%	44.60%
Earnings from Foreign Jurisdictions, Percent			70.00%
Federal Statutory Income Tax Rate, Percent			21.00%
One-time Charges (Benefits)	$ (1,200)	$ (13,000)	$ (2,500)	$ 14,000
One-time charges (benefits), net of tax	$ (800)	$ (13,000)	$ (1,800)	$ 14,000
Effective Income Tax Rate, Percent, Excluding Impairment & Divestiture Charges	12.80%	26.10%	14.50%	26.20%