Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Reconciliation Of Amounts Used To Calculate Basic And Diluted Earnings Per Share

	For the Years Ended December 31,
	2011			2010			2009
(Loss) income from continuing operations	$	(46,300	)	$	92,752		$	77,600
(Benefit) provision for income taxes from discontinued operations		(20,155	)		21			672
Income (loss) from discontinued operations		20,155			(21	)		(672	)
Net (loss) income	$	(26,145	)	$	92,731		$	76,928
Basic:
Weighted average number of common shares outstanding		35,950			34,307			33,679
(Loss) income from continuing operations	$	(1.29	)	$	2.70		$	2.30
Income (loss) from discontinued operations		0.56			(0.00	)		(0.02	)
Net (loss) income per share of common stock	$	(0.73	)	$	2.70		$	2.28
Assuming dilution:
Weighted average number of common shares outstanding		35,950			34,307			33,679
Effect of dilutive securities		-			1,337			509
Weighted average number of common and common    equivalent shares outstanding		35,950			35,644			34,188
(Loss) income from continuing operations	$	(1.29	)	$	2.60		$	2.27
Income (loss) from discontinued operations		0.56			(0.00	)		(0.02	)
Net (loss) income per share of common stock	$	(0.73	)	$	2.60		$	2.25