v3.26.1
SEGMENT INFORMATION - Reconciliation of Operating Segment Income (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 27, 2026
Dec. 26, 2025
Mar. 28, 2025
Mar. 27, 2026
Mar. 28, 2025
Segment Reporting Information [Line Items]          
Unallocated expenses $ (10,601)   $ (10,598) $ (26,744) $ (19,414)
Depreciation and amortization (33,340)   (29,238) (69,458) (58,571)
Interest expense, net (6,985)   (8,261) (13,884) (16,470)
Restructuring charges (4,128) $ (1,527) (595) (5,656) (916)
Transaction costs (4,020)   (174) (10,291) (209)
Gain (Loss) on Assets Held for Sale (25,664)   (281) (25,664) (349)
Loss on sale of business 0   (6,101) 2,275 (6,101)
Asset impairment charges (11,553)   (127,733) (11,553) (127,733)
Stock-based compensation (12,848)   (7,713) (16,868) (13,810)
Litigation settlement expense (136,500)   0 (136,500) 0
Other (4,745)   (2,822) (5,831) 687
Income (loss) before income taxes (158,730)   (66,509) (143,231) (7,913)
Operating Segments          
Segment Reporting Information [Line Items]          
Adjusted EBITDA 91,654   127,007 176,943 234,973
Operating Segments | Electrical          
Segment Reporting Information [Line Items]          
Adjusted EBITDA 74,351   90,943 129,453 183,330
Operating Segments | Safety & Infrastructure          
Segment Reporting Information [Line Items]          
Adjusted EBITDA $ 17,303   $ 36,064 $ 47,490 $ 51,643