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REVENUES - Contract Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 28, 2020
Dec. 28, 2019
Mar. 30, 2019
Revenue from Contract with Customer [Abstract]      
Accounts receivable, net $ 213,080 $ 228,459 $ 299,328
Contract assets 5,715 10,679 1,930
Contract liabilities $ 1,690 $ 1,775 $ 1,995