v3.26.1
GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 27, 2026
Mar. 28, 2025
Mar. 27, 2026
Mar. 28, 2025
Feb. 10, 2025
Goodwill [Line Items]          
Held-for-sale, goodwill         $ 756
Intangibles, net         $ 7,692
Intangible asset amortization $ 6,282 $ 10,166 $ 12,593 $ 21,864  
Disposal Group, Held-for-Sale, Not Discontinued Operations | HDPE Business          
Goodwill [Line Items]          
Held-for-sale, goodwill 6,500   6,500    
Goodwill impairment 6,500   6,500    
Intangibles, net 21,048   21,048    
Electrical          
Goodwill [Line Items]          
Accumulated impairment loss 12,145   12,145    
Safety & Infrastructure          
Goodwill [Line Items]          
Accumulated impairment loss $ 61,885   $ 61,885