STOCK OPTIONS (Details) - Schedule of stock options, activity $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2017 USD ($) $ / shares shares
Schedule of stock options, activity [Abstract]
Outstanding, beginning of period | shares	518,608
Outstanding, beginning of period | $ / shares	$ 20.33
Outstanding, beginning of period	5 years 36 days
Options:
Exercised | shares	(2,308)
Exercised | $ / shares	$ 15.48
Canceled or expired | shares	(90,000)
Canceled or expired | $ / shares	$ 32.15
Outstanding and expected to vest, end of period | shares	426,300
Outstanding and expected to vest, end of period | $ / shares	$ 17.86
Outstanding and expected to vest, end of period	5 years 255 days
Outstanding and expected to vest, end of period | $	$ 3,166,000
Exercisable, end of period | shares	426,300
Exercisable, end of period | $ / shares	$ 17.86
Exercisable, end of period	5 years 255 days
Exercisable, end of period | $	$ 3,166,000