Income Taxes - Summary of Income (Loss) from Continuing Operations Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Income from continuing operations before income taxes [Abstract]
United States	$ (32,541)	$ 204,150	$ 195,037
Foreign	4,465	12,526	12,952
Loss (income) from continuing operations before income taxes	$ (28,076)	$ 216,676	$ 207,989

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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+ Details