TRADE ACCOUNTS AND OTHER RECEIVABLES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2016	Dec. 25, 2016	Dec. 27, 2015
Accounts Receivable, Net [Abstract]
Trade accounts receivable		$ 305,337	$ 342,466
Notes receivable - current		630	850
Other receivables		15,766	10,578
Receivables, gross		321,733	353,894
Allowance for doubtful accounts	$ (4,900)	(4,563)	(4,900)
Receivables, net		317,170	348,994
Accounts receivable from related parties		$ 3,913	$ 2,668
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at December 27, 2015	(4,900)
Provision charged to operating results	(114)
Account write-offs and recoveries	451
Balance at December 25, 2016	$ (4,563)