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POSTRETIREMENT AND POSTEMPLOYMENT BENEFITS - Fair Value Hierarchy of Benefit Plan Assets (Details) - USD ($)
$ in Thousands
Sep. 29, 2024
Sep. 24, 2023
Sep. 25, 2022
NAV | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   $ 2,979  
Level 1 | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Level 2 | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Level 3 | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Other Postretirement Benefits Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets $ 27,570 25,809 $ 23,903
Other Postretirement Benefits Plan | NAV | Cash and cash equivalents      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0 0  
Other Postretirement Benefits Plan | NAV | Domestic equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   870  
Other Postretirement Benefits Plan | NAV | Equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0 0  
Other Postretirement Benefits Plan | NAV | International equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Other Postretirement Benefits Plan | NAV | Debt securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Other Postretirement Benefits Plan | NAV | Fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0    
Other Postretirement Benefits Plan | NAV | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 236    
Other Postretirement Benefits Plan | Level 1 | Cash and cash equivalents      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 436 93  
Other Postretirement Benefits Plan | Level 1 | Domestic equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   2,303  
Other Postretirement Benefits Plan | Level 1 | Equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 6,983 535  
Other Postretirement Benefits Plan | Level 1 | International equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   814  
Other Postretirement Benefits Plan | Level 1 | Debt securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   17,615  
Other Postretirement Benefits Plan | Level 1 | Fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 20,392    
Other Postretirement Benefits Plan | Level 1 | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0    
Other Postretirement Benefits Plan | Level 2 | Cash and cash equivalents      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0 0  
Other Postretirement Benefits Plan | Level 2 | Domestic equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Other Postretirement Benefits Plan | Level 2 | Equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0 0  
Other Postretirement Benefits Plan | Level 2 | International equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   600  
Other Postretirement Benefits Plan | Level 2 | Debt securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Other Postretirement Benefits Plan | Level 2 | Fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0    
Other Postretirement Benefits Plan | Level 2 | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0    
Other Postretirement Benefits Plan | Level 3 | Cash and cash equivalents      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0 0  
Other Postretirement Benefits Plan | Level 3 | Domestic equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Other Postretirement Benefits Plan | Level 3 | Equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0 0  
Other Postretirement Benefits Plan | Level 3 | International equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   0  
Other Postretirement Benefits Plan | Level 3 | Debt securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets   $ 0  
Other Postretirement Benefits Plan | Level 3 | Fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets 0    
Other Postretirement Benefits Plan | Level 3 | Hedge fund investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Postretirement assets $ 0