Earnings (Loss) Per Share

12 Months Ended

Dec. 31, 2011

Earnings (Loss) Per Share [Abstract]

Earnings (Loss) Per Share

21. Earnings (Loss) Per Share

The computations of basic and diluted net earnings (loss) per share are as follows (in thousands, except per share data):

	2011			2010			2009
Basic net earnings (loss) per share:
Basic net earnings (loss)	$	778,188		$	134,092		$	(293,613	)
Earnings allocated to participating securities		(2,653	)		(1,823	)		(1,946	)
Net earnings (loss) available to common stockholders	$	775,535		$	132,269		$	(295,559	)
Average shares outstanding		316,997			315,962			314,873
Basic net earnings (loss) per share	$	2.45		$	0.42		($	0.94	)
Diluted net earnings (loss) per share:
Diluted net earnings (loss)	$	778,188		$	134,092		$	(293,613	)
Earnings allocated to participating securities		(2,654	)		(1,823	)		(1,946	)
Net earnings (loss) available to common stockholders	$	775,534		$	132,269		$	(295,559	)
Diluted average shares outstanding:
Basic shares outstanding		316,997			315,962			314,873
Dilutive effect of stock options and other		164			548			—
		317,161			316,510			314,873
Diluted net earnings (loss) per share	$	2.45		$	0.42		($	0.94	)

Stock options to purchase 0.8 million, 0.2 million and 1.1 million shares of common stock for 2011, 2010 and 2009, respectively, were excluded from the computation of diluted earnings per common share because their effect would have been antidilutive.