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ACQUISITIONS AND DECONSOLIDATION (Details 3) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 28, 2013	Sep. 27, 2014	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Deconsolidation
Deconsolidation of subsidiary			$ 0	$ 0	$ 12,011
Realized loss on deconsolidation of subsidiary					$ 8,559
Maximum
Deconsolidation
Ownership interest (as a percent)	50.00%		50.00%		50.00%
Delta EMD, Ltd.
Deconsolidation
Supplementary contribution to Delta Pension Plan	1,500,000
Deconsolidation of subsidiary	$ (12,011)
Loss on deconsolidation (in dollars per share)	$ 0.45
Realized loss on deconsolidation of subsidiary	$ 8,559
Losses due to remeasurement of remaining investment	$ (3,452)	$ 1,400		$ 3,800
Proceeds from Dividends Received			$ 5,000
Fair value of remaining ownership			$ 500
Net sales included in Company's Consolidated Statements of Earnings					$ 38,621
Net earnings included in Company's Consolidated Statements of Earnings					$ 3,535