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EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Defined Benefit Plan Disclosure [Line Items]      
Deferral period 3 years    
Maximum annual contributions per employee, percent 10.00%    
Period of highest consecutive years of compensation 5 years    
Costs associated with deferred compensation plan and executive supplemental life insurance retirement plans $ 2,300 $ 2,200 $ 2,600
Life insurance policies $ 34,008 29,456  
Sensitivity of expected rate of return on plan assets, percent change 0.50%    
Sensitivity of change in expected rate of return, annual pension expense amount $ 1,500    
Employer contributions 5,165 10,551  
Expected employer contributions in 2018 7,600    
Accumulated benefit obligation 1,400 1,200  
Costs associated with employee savings plan $ 11,600 $ 6,200 $ 5,300
Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Weighted average target plan asset allocations 45.00%    
Fixed Income Securities      
Defined Benefit Plan Disclosure [Line Items]      
Weighted average target plan asset allocations 17.90%    
Other Securities      
Defined Benefit Plan Disclosure [Line Items]      
Weighted average target plan asset allocations 37.10%    
Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Employer contributions $ 4,100