TRADE ACCOUNTS AND OTHER RECEIVABLES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 25, 2016	Sep. 25, 2016	Dec. 27, 2015
Accounts Receivable, Net [Abstract]
Trade accounts receivable		$ 335,765	$ 342,466
Notes receivable - current		630	850
Other receivables		19,223	10,578
Receivables, gross		355,618	353,894
Allowance for doubtful accounts	$ (4,900)	(4,808)	(4,900)
Receivables, net		350,810	348,994
Account receivable from related parties		$ 3,491	$ 2,668
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at December 27, 2015	(4,900)
Provision charged to operating results	(252)
Account write-offs and recoveries	344
Balance at September 25, 2016	$ (4,808)