Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 29, 2020	Feb. 23, 2019	Feb. 29, 2020	Feb. 23, 2019
Income Tax Disclosure [Abstract]
Income before income taxes	$ 14,579	$ 16,749	$ 8,057	$ 36,631
Provision for income taxes	$ 3,922	$ 4,027	$ 2,193	$ 8,652
Effective tax rate			27.20%	23.60%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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