Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Income (Loss) Per Common Share [Abstract]

Computations of basic and diluted (loss) income per common share

	Three Months Ended June 30, 2012								Three Months Ended June 30, 2011
	Continuing Operations			Discontinued Operations		Total			Continuing Operations			Discontinued Operations			Total
Income as reported	$	55,676		$	—	$	55,676		$	45,776		$	5,517		$	51,293
Participating basic earnings (a)		(999	)		—		(999	)		(808	)		(97	)		(905	)
Basic income attributed to common shareholders		54,677			—		54,677			44,968			5,420			50,388
Reallocation of participating earnings (a)		3			—		3			4			1			5
Diluted income attributed to common shareholders	$	54,680		$	—	$	54,680		$	44,972		$	5,421		$	50,393
Income per common share:
Basic	$	0.34		$	—	$	0.34		$	0.28		$	0.04		$	0.32
Diluted	$	0.34		$	—	$	0.34		$	0.28		$	0.04		$	0.32

^(a)  Restricted Stock Awards represent participating securities because they participate in nonforfeitable dividends or distributions with common equity owners. Income allocable to participating securities represents the distributed and undistributed earnings attributable to the participating securities. Participating securities, however, do not participate in undistributed net losses.

	Six Months Ended June 30, 2012								Six Months Ended June 30, 2011
	Continuing Operations			Discontinued Operations		Total			Continuing Operations			Discontinued Operations			Total
Income as reported	$	13,876		$	—	$	13,876		$	12,345		$	13,915		$	26,260
Participating basic earnings (a)		(246	)		—		(246	)		(220	)		(248	)		(468	)
Basic income attributed to common shareholders		13,630			—		13,630			12,125			13,667			25,792
Reallocation of participating earnings (a)		—			—		—			—			1			1
Diluted income attributed to common shareholders	$	13,630		$	—	$	13,630		$	12,125		$	13,668		$	25,793
Income per common share:
Basic	$	0.09		$	—	$	0.09		$	0.08		$	0.08		$	0.16
Diluted	$	0.09		$	—	$	0.09		$	0.08		$	0.08		$	0.16

^(a)  Restricted Stock Awards represent participating securities because they participate in nonforfeitable dividends or distributions with common equity owners. Income allocable to participating securities represents the distributed and undistributed earnings attributable to the participating securities. Participating securities, however, do not participate in undistributed net losses.

Basic weighted average common shares outstanding to diluted weighted average common shares outstanding

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Denominator:
Weighted average common shares outstanding – basic		159,412		157,997		159,162		157,772
Effect of dilutive securities:
Director and employee stock options and SARs		618		836		787		957
Weighted average common shares outstanding – diluted		160,030		158,833		159,949		158,729