v3.26.3
GOODWILL AND OTHER INTANGIBLE ASSETS (Changes in the Carrying Amount of Goodwill) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2024
Goodwill, gross:      
Goodwill, beginning $ 397,046 $ 395,820  
Foreign currency translation 460 1,226  
Acquisitions 1,751,305    
Goodwill, ending 2,148,811 397,046 $ 395,820
Accumulated impairment:      
Accumulated impairment loss, beginning (10,200) (10,190)  
Foreign currency translation 5 (10)  
Accumulated impairment loss, ending (10,195) (10,200) (10,190)
Goodwill, net:      
Beginning balance, Goodwill, net 386,846 385,630  
Foreign currency translation 465   1,216
Ending balance, Goodwill, net 2,138,616 386,846 385,630
North America Steel Group      
Goodwill, gross:      
Goodwill, beginning 126,915 126,915  
Foreign currency translation 0 0  
Acquisitions 0    
Goodwill, ending 126,915 126,915 126,915
Accumulated impairment:      
Accumulated impairment loss, beginning (9,542) 9,542  
Foreign currency translation 0 0  
Accumulated impairment loss, ending (9,542) (9,542) 9,542
Goodwill, net:      
Beginning balance, Goodwill, net 117,373 117,373  
Foreign currency translation 0   0
Ending balance, Goodwill, net 117,373 117,373 117,373
Construction Solutions Group      
Goodwill, gross:      
Goodwill, beginning 265,523 264,568  
Foreign currency translation 558 955  
Acquisitions 1,751,305    
Goodwill, ending 2,017,386 265,523 264,568
Accumulated impairment:      
Accumulated impairment loss, beginning (493) 493  
Foreign currency translation 0 0  
Accumulated impairment loss, ending (493) (493) 493
Goodwill, net:      
Beginning balance, Goodwill, net 265,030 264,075  
Foreign currency translation 558   955
Ending balance, Goodwill, net 2,016,893 265,030 264,075
Europe Steel Group      
Goodwill, gross:      
Goodwill, beginning 4,608 4,337  
Foreign currency translation (98) 271  
Acquisitions 0    
Goodwill, ending 4,510 4,608 4,337
Accumulated impairment:      
Accumulated impairment loss, beginning (165) 155  
Foreign currency translation 5 (10)  
Accumulated impairment loss, ending (160) (165) 155
Goodwill, net:      
Beginning balance, Goodwill, net 4,443 4,182  
Foreign currency translation (93)   261
Ending balance, Goodwill, net $ 4,350 $ 4,443 $ 4,182