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Computation of Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

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 six month periods ended June 30, 2013 and 2012 were as follows:

		Three Month Period Ended June 30								Six Month Period Ended June 30
		2013				2012				2013				2012
Net income		$	6,386			$	6,596			$	11,351			$	14,729
Denominator
Determination of shares
Weighted-average common shares outstanding			5,368				5,332				5,372				5,333
Dilutive effect—share-based awards			82				109				78				107
Diluted weighted-average common shares outstanding			5,450				5,441				5,450				5,440
Earnings per common share attributable to PLPC shareholders
Basic		$	1.19			$	1.24			$	2.11			$	2.76
Diluted		$	1.17			$	1.21			$	2.08			$	2.71

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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