Per Share Data (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Calculation Of Basic And Diluted Earnings Per Share

The following table presents information necessary to calculate basic and diluted earnings per share for the periods indicated:

	Three Months Ended September 30,						Nine Months Ended September 30,
(in thousands, except per share amounts)	2015			2014			2015			2014
Earnings per common share calculation – basic
Net income attributable to common shareholders	$	37,044		$	38,283		$	188,722		$	113,591
Amount allocated to participating securities	(259		)	(317		)	(1,562		)	(970		)
Net income attributable to common shareholders – basic	$	36,785		$	37,966		$	187,160		$	112,621
Earnings per common share – basic	$	0.41		$	0.43		$	2.10		$	1.28
Weighted average number of common shares outstanding – basic	89,164			88,146			89,102			87,882
Earnings per common share calculation – diluted
Net income attributable to common shareholders – basic	$	36,785		$	37,966		$	187,160		$	112,621
Income allocated to common units	292			313			—			937
Net income attributable to common shareholders – diluted	$	37,077		$	38,279		$	187,160		$	113,558
Earnings per common share – diluted	$	0.41		$	0.43		$	2.09		$	1.28
Weighted average number of common shares outstanding – basic	89,164			88,146			89,102			87,882
Incremental shares issuable from assumed conversion of:
Common share options and share awards granted	366			396			348			358
Common units	811			811			—			812
Weighted average number of common shares outstanding – diluted	90,341			89,353			89,450			89,052