v3.26.1
PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Mar. 27, 2026
Sep. 30, 2025
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost $ 1,112,682 $ 1,143,125
Accumulated depreciation (577,973) (548,859)
Property, plant and equipment, net 534,709 594,266
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 30,130 29,766
Buildings and related improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 204,607 217,894
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 708,552 701,220
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 19,210 22,116
Software    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost 61,172 64,371
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, at cost $ 89,011 $ 107,758