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Computation of Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Computation of Earnings Per Share [Abstract]

Calculation of basic and diluted earnings per share

The calculation of basic and diluted earnings per share for the three and nine month periods ended September 30, 2012 and 2011 was as follows:

		For the three month period ended September 30								For the nine month period ended September 30
		2012				2011				2012				2011
Numerator
Amount attributable to PLPC shareholders
Net income attributable to PLPC		$	9,284			$	6,660			$	24,013			$	22,044
Denominator
Determination of shares
Weighted-average common shares outstanding			5,319				5,253				5,328				5,263
Dilutive effect - share-based awards			112				128				104				123
Diluted weighted-average common shares outstanding			5,431				5,381				5,432				5,386
Earnings per common share attributable to PLPC shareholders
Basic		$	1.75			$	1.27			$	4.51			$	4.19
Diluted		$	1.71			$	1.24			$	4.42			$	4.09

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- Definition

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

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