INCENTIVE COMPENSATION (Schedule of Compensation Cost and Income Tax Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation costs	$ 471	$ 1,355	$ 1,268	$ 2,377
Income tax benefit	116	241	359	516
Cost of goods sold [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation costs	152	152	265	171
Selling, general and administrative expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation costs	$ 319	$ 1,203	$ 1,003	$ 2,206