EARNINGS PER SHARE (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 02, 2016	Mar. 28, 2015
Numerator:
Net income	$ 23,278	$ 15,503
Denominator:
Weighted average number of common shares outstanding - Basic	18,943,427	18,678,485
Dilutive effect of options and restricted stock units outstanding under the Company's employee compensation plans	225,150	561,052
Weighted average number of common shares outstanding - Diluted	19,168,577	19,239,537

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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