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EMPLOYEE BENEFIT PLANS - Weighted-average Assumptions (Details)
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Weighted-average assumptions used to determine projected benefit obligations      
Discount rate 3.21% 2.82%  
Rate of compensation increase 3.23% 3.16%  
Weighted-average assumptions used to determine net periodic benefit cost      
Discount rate 2.82% 3.01% 3.89%
Expected long-term return on plan assets 5.18% 5.41% 5.83%
Rate of compensation increase 3.16% 3.25% 3.17%