XML 97 R62.htm IDEA: XBRL DOCUMENT v3.24.3
Other Assets - Narrative (Details) - USD ($)
12 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Aug. 31, 2024
Aug. 31, 2023
Aug. 31, 2022
Goodwill [Line Items]            
Goodwill       $ 179,976,000 $ 179,976,000  
Goodwill impairment, result of annual impairment analysis $ 0 $ 0 $ 0      
Amortization of intangible assets       6,900,000 $ 6,700,000 $ 6,800,000
Nitrogen Production            
Goodwill [Line Items]            
Goodwill       $ 0    
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