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Earnings Per Share (Schedule Of Weighted Average Shares Outstanding) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings Per Share [Abstract]
Weighted average common shares, basic	24,117,362	23,877,362	24,117,362	23,715,224
Dilutive effect of stock options	22,241	313,890	200,186	299,915
Weighted average common shares, diluted	24,139,603	24,191,252	24,317,548	24,015,139

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

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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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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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