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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Calculated Basic and Diluted Earnings Per Share

The following table illustrates the earnings allocation method utilized in the calculation of basic and diluted earnings per share.

		Three Months Ended March 31,
(in thousands, except per-share amounts)		2013				2012
Earnings per share numerator:
Net income attributable to common shareholders before allocation of earnings to participating securities		$	67,835			$	66,547
Earnings allocated to participating securities		61				0
Net income attributable to common shareholders after allocation of earnings to participating securities		$	67,774			$	66,547
Earnings per share denominator:
Weighted-average number of shares of common stock outstanding - basic and diluted		13,376				13,405
Earnings per share - basic and diluted		$	5.07			$	4.96

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- Definition

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

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No definition available.

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