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WORKERS' COMPENSATION INSURANCE AND RESERVES - Estimated Future Payout (Details) - USD ($)
$ in Thousands
Dec. 29, 2019
Dec. 30, 2018
Workers' Compensation Insurance and Reserves [Abstract]    
2020 $ 73,020  
2021 39,284  
2022 22,190  
2023 14,143  
2024 9,862  
Thereafter 51,866  
Sub-total 210,365  
Excess claims 45,253 $ 48,200
Total $ 255,618