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Computation of Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Computation of Earnings Per Share [Abstract]

Calculation of basic and diluted earnings per share

		For the three month period ended March 31
		2013				2012
Numerator
Net income		$	4,965			$	8,133
Denominator
Determination of shares
Weighted-average common shares outstanding			5,377				5,334
Dilutive effect—share-based awards			80				104
Diluted weighted-average common shares outstanding			5,457				5,438
Earnings per common share attributable to PLPC shareholders
Basic		$	0.92			$	1.52
Diluted		$	0.91			$	1.50

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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