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EARNINGS PER SHARE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Numerator:
Net income	$ 19,850	$ 11,963	$ 66,642	$ 45,026
Denominator:
Weighted average number of common shares outstanding - Basic	18,971,854	18,701,530	18,961,146	18,692,755
Dilutive effect of options and restricted stock units outstanding under the Company's employee compensation plans	232,321	673,013	204,731	650,910
Weighted average number of common shares outstanding - Diluted	19,204,175	19,374,543	19,165,877	19,343,665

X

- Definition

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.

+ References

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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