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TRADE ACCOUNTS AND OTHER RECEIVABLES (Details) - USD ($)
$ in Thousands
Dec. 27, 2015
Dec. 28, 2014
Accounts Receivable, Net [Abstract]    
Trade accounts receivable $ 342,466 $ 371,268
Notes receivable - current 850 1,088
Other receivables 10,578 9,059
Receivables, gross 353,894 381,415
Allowance for doubtful accounts (4,900) (2,525)
Receivables, net 348,994 378,890
Accounts receivable from related parties $ 2,668 $ 5,250