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DEFINED BENEFIT PENSION PLAN - Narrative (Details)
 1 Months Ended 12 Months Ended
Sep. 25, 2022
USD ($)
plan
Sep. 29, 2024
USD ($)
participant
investment
Sep. 24, 2023
USD ($)
plan
Sep. 25, 2022
USD ($)
plan
Defined Benefit Plan Disclosure [Line Items]        
Number of defined benefit plans | plan 7   1 7
Defined benefit plans, number of plans frozen | plan       2
Amortization of prior service cost (credit) expected to be recognized during the next fiscal year   $ 800,000    
Number of investments held | investment   5    
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest        
Defined Benefit Plan Disclosure [Line Items]        
Decrease to accumulated other comprehensive income due to plan enhancements       $ 6,100,000
Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plans, number of plans frozen | plan       4
Non-cash curtailment gain   $ 1,184,000 $ 0 $ 1,000,000.0
Defined benefit plan, benefit obligation, increase (decrease) for plan amendment       $ 6,100,000
Defined benefit plan, number of frozen plans merged | plan       6
Number of fully-funded defined benefit plans | plan 1     1
Decrease in plan liabilities due to purchase of annuities $ 85,600,000      
Increase in defined benefit plan assets 81,400,000 $ 22,620,000 0  
Settlement income charge $ 4,200,000      
Number of participants who have elected voluntary settlement | participant   522    
Voluntary lump sum payment of future pension benefits   $ 22,600,000    
Settlement gain   2,409,000 $ 0 $ 4,245,000
Defined Benefit Plan, Plan Assets, Period Increase (Decrease)   $ 22,600,000    
Assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets   5.00% 5.00% 5.00%
Expected future employer contributions, next fiscal year   $ 0    
Defined benefit plan accrued liability   $ 4,664,000 $ 10,844,000  
Pension Plan | U.S. Small Cap Value Equity Common/Collective Fund        
Defined Benefit Plan Disclosure [Line Items]        
Investment in equity securities measured at fair value, recognized in net income     2,300,000  
Pension Plan | Global Equity Long/Short Common/Collective Hedge Fund-of-funds        
Defined Benefit Plan Disclosure [Line Items]        
Investment in equity securities measured at fair value, recognized in net income     11,700,000  
Maximum percentage of equity investment redeemable   0.90    
Pension Plan | Global Equity Long/Short Common/Collective Hedge Fund-of-funds | Minimum        
Defined Benefit Plan Disclosure [Line Items]        
Notice for redemption of equity investment   90 days    
Pension Plan | Global Equity Long/Short Common/Collective Hedge Fund-of-funds | Maximum        
Defined Benefit Plan Disclosure [Line Items]        
Notice for redemption of equity investment   120 days    
Pension Plan | Global Equity Long/Short Common/Collective Hedge Fund-of-funds 2        
Defined Benefit Plan Disclosure [Line Items]        
Investment in equity securities measured at fair value, recognized in net income   $ 5,900,000 12,700,000  
Maximum percentage of equity investment redeemable   0.50    
Pension Plan | Global Equity Long/Short Common/Collective Fund        
Defined Benefit Plan Disclosure [Line Items]        
Investment in equity securities measured at fair value, recognized in net income   $ 2,500,000    
Pension Plan | Global Equity Long/Short Common/Collective Fund 2        
Defined Benefit Plan Disclosure [Line Items]        
Investment in equity securities measured at fair value, recognized in net income   2,500,000    
Other Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Defined benefit plan accrued liability   $ 600,000 $ 600,000