Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Reconciliation of the numerators and denominators used in the calculation of Basic and Diluted EPS

	2011							2010							2009
	Income (Loss) from continuing operations			Shares		Per Share Amount		Loss from continuing operations			Shares		Per Share Amount		Income from continuing operations			Shares		Per Share Amount
Basic EPS:
Net Income (Loss) from continuing operations, and share Amounts	$	84,610			42,394			$	46,475			38,300			($	39,076	)		33,594
Less: Income (Loss) from continuing operations allocated to unvested shareholders		(1,598	)		—				(879	)		—				—			—
Income (Loss) from continuing operations allocated to common shares	$	83,012			42,394	$	1.96	$	45,596			38,300	$	1.19	($	39,076	)		33,594	($	1.16	)
Dilutive Securities:
Plus: Income (Loss) from continuing operations allocated to unvested shareholders		1,598							879
Less: Income (Loss) from continuing operations re-allocated to unvested shareholders
Stock Options		(1,589	)		235				(874	)		224				—			—
Diluted EPS:
Net Income (Loss) from continuing operations, and assumed share conversions	$	83,021			42,629	$	1.95	$	45,601			38,524	$	1.18	($	39,076	)		33,594	($	1.16	)