EARNINGS PER SHARE

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

The following is a reconciliation of basic and diluted earnings per share computations (in thousands except for per share amounts):

	Three Months Ended
	March 31,
	2012		2011
Numerator for basic and diluted earnings per share:
Net Income	$	32,015	$	22,730
Denominator:
Basic shares outstanding	53,227		52,798
Dilutive effect of equity-based compensation awards	261		360
Dilutive shares outstanding	53,488		53,158
Basic earnings per share:
Net Income	$	0.60	$	0.43
Diluted earnings per share:
Net Income	$	0.60	$	0.43

For the three-month period ended March 31, 2012, the dilutive effect of all then outstanding options, restricted stock and performance awards is included in the above calculations except for 69 thousand outstanding performance stock awards for which the performance criteria were not attained at that time. For the three-month period ended March 31, 2011, the above calculations include the dilutive effects of all then outstanding options, restricted stock, and performance awards.