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EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Numerator:
Net income	$ 22,286	$ 32,308	$ 46,605	$ 56,026
Denominator:
Weighted average number of common shares outstanding - Basic	19,410,102	19,333,589	19,388,396	19,308,066
Dilutive effect of options and restricted stock units outstanding under the Company's employee compensation plans	533,411	514,841	511,610	506,494
Weighted average number of common shares outstanding - Diluted	19,943,513	19,848,430	19,900,006	19,814,560

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.

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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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