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Earnings Per Share (Details 2) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Weighted Average Shares for Basic and Diluted EPS
Weighted Average Shares Outstanding	63,927	63,623	63,676	63,333
Participating Securities	2,025	1,775	2,025	1,775
Shares for Basic Earnings Per Share	65,952	65,398	65,701	65,108
Dilutive Effect of Stock Options	176	279	167	255
Shares for Diluted Earnings Per Share	66,128	65,677	65,868	65,363

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Dilutive effect of stock options.

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- 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.

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- Definition

This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic).

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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.

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