v3.26.1
ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 26, 2026
Mar. 27, 2026
Dec. 26, 2025
Jun. 27, 2025
Mar. 28, 2025
Dec. 27, 2024
Jun. 26, 2026
Jun. 27, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Balance at beginning of period $ 1,280,897 $ 1,405,270 $ 1,398,341 $ 1,410,420 $ 1,507,348 $ 1,539,900 $ 1,398,341 $ 1,539,900
Other comprehensive income/loss before reclassifications (2,090)     16,221     (1,403) 5,355
Amounts reclassified from accumulated other comprehensive income/loss, net of tax 49     41     146 124
Total other comprehensive (loss) income (2,041) (2,009) 2,793 16,262 6,707 (17,490) (1,257) 5,479
Balance at end of period 1,276,231 1,280,897 1,405,270 1,465,720 1,410,420 1,507,348 1,276,231 1,465,720
Accumulated Other Comprehensive Loss                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Balance at beginning of period (17,204) (15,195) (17,988) (29,877) (36,584) (19,094) (17,988) (19,094)
Total other comprehensive (loss) income (2,041) (2,009) 2,793 16,262 6,707 (17,490)    
Balance at end of period (19,245) (17,204) (15,195) (13,615) (29,877) (36,584) (19,245) (13,615)
Defined Benefit Pension Items                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Balance at beginning of period (10,317)   (10,414) (10,325)   (10,408) (10,414) (10,408)
Other comprehensive income/loss before reclassifications 0     0     0 0
Amounts reclassified from accumulated other comprehensive income/loss, net of tax 49     41     146 124
Total other comprehensive (loss) income 49     41     146 124
Balance at end of period (10,268) (10,317)   (10,284) (10,325)   (10,268) (10,284)
Currency Translation Adjustments                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Balance at beginning of period (6,887)   $ (7,574) (19,552)   $ (8,686) (7,574) (8,686)
Other comprehensive income/loss before reclassifications (2,090)     16,221     (1,403) 5,355
Amounts reclassified from accumulated other comprehensive income/loss, net of tax 0     0     0 0
Total other comprehensive (loss) income (2,090)     16,221     (1,403) 5,355
Balance at end of period $ (8,977) $ (6,887)   $ (3,331) $ (19,552)   $ (8,977) $ (3,331)