Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Reconciliation of the basic and diluted earnings per share computations

	June 30,
	2011			2010
Three Months Ended
Net (loss) income for basic and diluted earnings per share	$	(196,143	)	$	7,508
Shares of common stock and common stock equivalents:
Average common shares used in basic computation	41,112			43,226
Effect of dilutive securities	—			478
Average common shares used in diluted computation	41,112			43,704
(Loss) earnings per share:
Basic	$	(4.77	)	$	0.17
Diluted	$	(4.77	)	$	0.17
Six Months Ended
Net (loss) income for basic and diluted earnings per share	$	(186,594	)	$	15,940
Shares of common stock and common stock equivalents:
Average common shares used in basic computation	41,272			43,525
Effect of dilutive securities	—			604
Average common shares used in diluted computation	41,272			44,129
(Loss) earnings per share:
Basic	$	(4.52	)	$	0.37
Diluted	$	(4.52	)	$	0.36

Summary of anti-dilutive equity awards not included in the detailed earnings per share computations

	June 30,
	2011	2010
Three months ended	1,849	1,031
Six months ended	1,438	708