v3.26.1
INVESTMENTS IN ASSOCIATED COMPANIES - Schedule of Summarized Financial Results (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Schedule of Equity Method Investments [Line Items]        
Operating revenue $ 125,970 $ 141,294 $ 377,996 $ 423,235
Operating expenses, excluding restructuring costs, depreciation and amortization 118,260 137,318 358,624 429,391
Restructuring costs 5,959 7,141 12,746 18,806
Depreciation and amortization 3,527 3,783 10,621 15,218
Operating income (loss) 8,632 4,662 22,382 (3,193)
Net income 4,675 (1,920) (3,085) (31,179)
Equity in earnings of MNI 922 686 3,010 2,963
TNI Partners        
Schedule of Equity Method Investments [Line Items]        
Operating revenue 4,524 5,320 14,407 17,609
Operating expenses, excluding restructuring costs, depreciation and amortization 3,415 3,764 10,783 13,050
Operating income (loss) 1,109 1,556 3,624 4,559
MNI        
Schedule of Equity Method Investments [Line Items]        
Operating revenue 9,640 9,136 27,945 27,974
Operating expenses, excluding restructuring costs, depreciation and amortization 7,348 7,252 21,218 21,720
Restructuring costs 0 95 34 118
Depreciation and amortization 59 89 178 269
Operating income (loss) 2,233 1,700 6,515 5,867
Net income     2,104 1,330
TNI Partners        
Schedule of Equity Method Investments [Line Items]        
Net income 1,077 1,529 3,916 4,596
Equity in earnings of MNI 539 765 1,958 2,298
MNI        
Schedule of Equity Method Investments [Line Items]        
Net income 767 (157)    
Equity in earnings of MNI $ 384 $ (79) $ 1,052 $ 665