Earnings Per Share

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Earnings Per Share

(12) Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
Net income (loss) attributable to Delta common stockholders	$	(429,430	)	$	13,942		$	(458,236	)	$	(148,606	)
Basic weighted-average common shares outstanding		27,883			27,530			28,055			27,544
Add: dilutive effects of stock options and unvested stock grants		—			676			—			—
Diluted weighted-average common shares outstanding		27,883			28,206			28,055			27,544
Net loss per common share attributable to Delta common stockholders
Basic	$	(15.40	)	$	(0.51	)	$	(16.33	)	$	(5.40	)
Diluted	$	(15.40	)	$	(0.49	)	$	(16.33	)	$	(5.40	)

Potentially dilutive securities excluded from the calculation of diluted shares outstanding include the following (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Stock issuable upon conversion of convertible notes		379		379		379		379
Stock options		150		161		150		161
Performance share grants(1)		—		—		—		8
Non-vested restricted stock		587		—		587		777
Total potentially dilutive securities		1,116		540		1,116		1,325

⁽¹⁾   During the three months ended June 30, 2011, the two remaining holders of the performance shares returned to the Company for no additional consideration the 8,000 unvested performance shares remaining at the time.