Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Effect of potentially dilutive stock outstanding

The effect of potentially dilutive stock outstanding as of June 30, 2012, and 2011 are as follows (in thousands, except per share data):

	Three months ended June 30, 2012					Six months ended June 30, 2012
	Income (Numerator)		Shares (Denominator)	Per-Share Amount		Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Net income available to common stockholders	$	22,973	89,631	$	0.26	$	26,948	89,611	$	0.30
Effect of Dilutive Securities
Equity awards	—		102			—		166
Diluted EPS
Net income available to common stockholders	$	22,973	89,733	$	0.26	$	26,948	89,777	$	0.30
	Three months ended June 30, 2011					Six months ended June 30, 2011
	Income (Numerator)		Shares (Denominator)	Per-Share Amount		Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Net income available to common stockholders	$	38,611	89,310	$	0.43	$	51,075	89,299	$	0.57
Effect of Dilutive Securities
Equity awards	—		402			—		384
Diluted EPS
Net income available to common stockholders	$	38,611	89,712	$	0.43	$	51,075	89,683	$	0.57