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Inventories
 9 Months Ended
May 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories        
May 31,
2022		August 31,
2021
(Dollars in thousands)
Grain and oilseed$2,044,585 $1,435,544 
Energy577,360 762,317 
Agronomy1,439,716 958,548 
Processed grain and oilseed140,752 140,975 
Other249,282 37,291 
Total inventories
$4,451,695 $3,334,675 
    As of May 31, 2022, and August 31, 2021, we valued approximately 14% and 13%, respectively, of inventories, primarily crude oil and refined fuels within our Energy segment, using the lower of cost, determined on the last in, first out ("LIFO") method, or net realizable value. If the first in, first out ("FIFO") method of accounting had been used, inventories would have been higher than the reported amount by $895.7 million and $359.2 million as of May 31, 2022, and August 31, 2021, respectively. Actual valuation of inventory under the LIFO method can be made only at the end of each year based on inventory levels and costs at that time. Interim LIFO calculations are based on management's estimates of expected year-end inventory levels and values and are subject to final year-end LIFO inventory valuation.