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DEFINED CONTRIBUTION PLANS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Dec. 29, 2019
Defined Contribution Plan Disclosure [Line Items]      
Defined contribution plan, administrative expense $ 6.5 $ 3.7 $ 5.5
Nonqualified Plan      
Defined Contribution Plan Disclosure [Line Items]      
Liability for the non-qualified plans 33.8 30.6  
Liability for the non-qualified plans, included in accrued wages and benefits $ 5.0 $ 4.2