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Other Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Other Assets - Narrative (Details) - USD ($) $ in Thousands	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Goodwill [Line Items]
Goodwill	$ 239,441	$ 179,976
Amortization of intangible assets	10,100	6,900	$ 6,700
Goodwill, Acquired During Period	59,465
West Central Ag Services
Goodwill [Line Items]
Goodwill, Acquired During Period	59,500
Finite-Lived Intangible Assets Acquired	62,500
Ag
Goodwill [Line Items]
Goodwill	219,409	$ 159,944
Goodwill, Acquired During Period	$ 59,465
Minimum \| Other Intangible Assets
Goodwill [Line Items]
Intangible asset useful lives	2 years
Maximum \| Other Intangible Assets
Goodwill [Line Items]
Intangible asset useful lives	30 years