Earning Per Share

6 Months Ended

Jun. 30, 2011

Earnings Per Share [Abstract]

Earning Per Share

(3) The following table sets forth the reconciliation between weighted average shares used for calculating basic and diluted earnings per share for the three and six months ended June 30, 2011 and 2010.

	Three months ended						Six months ended
	June 30,						June 30,
	2011			2010			2011			2010
Income (Numerator)
Net earnings	$	18,087		$	19,525		$	13,773		$	33,067
Less: Income to participating securities		(252	)		(303	)		(171	)		(522	)
Income available to common stockholders	$	17,835		$	19,222		$	13,602		$	32,545
Shares (Denominator)
Weighted average shares outstanding (basic)		103,626			103,027			103,515			102,919
Dilutive effect of employee stock options		396			429			402			423
Dilutive effect of restricted stock units (RSUs)		—			—			—			—
Adjusted weighted average shares outstanding		104,022			103,456			103,917			103,342
Earnings per share:
Basic	$	0.17		$	0.19		$	0.13		$	0.32
Diluted	$	0.17		$	0.19		$	0.13		$	0.31

For the three months ended June 30, 2011, the Company excluded common stock options for 8,801,360 shares and 612,644 restricted stock units (RSUs) because to include them would be anti-dilutive. For the six months ended June 30, 2011, the Company excluded options for 8,803,614 shares and 568,999 RSUs because to include them would be anti-dilutive. For the three months ended June 30, 2010, the Company excluded options for 10,605,692 shares and 354,081 RSUs because to include them would be anti-dilutive. For the six months ended June 30, 2010, the Company excluded options for 10,614,847 shares and 378,823 RSUs because to include them would be anti-dilutive.