EQUITY AND STOCK-BASED COMPENSATION (Details) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Earnings Per Share
Weighted-average number of common shares used in basic income per share	44,709	49,958	45,592	50,174
Dilutive securities - employee stock options, restricted stock shares and restricted stock units	328	80	548	625
Weighted-average number of common shares and dilutive securities used in diluted income per share	45,037	50,038	46,140	50,799
Stock options
Stock-Based Compensation
Number of options or units that were excluded from the computation of diluted income per share		3		3
Unvested restricted stock units
Stock-Based Compensation
Number of options or units that were excluded from the computation of diluted income per share	857	1,784	758	931

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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+ Details