Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share, for the periods indicated:

(In thousands, except per share amounts)	Three Months Ended				Nine Months Ended
	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
Numerator:
Income (loss)	$	58,976	$	15,661	$	63,730	$	40,155
Denominator:
Denominator for basic earnings per share -
Weighted-average shares	16,485		16,106		16,342		15,981
Effect of dilutive stock options	539		828		561		733
Denominator for diluted earnings per share - Adjusted
weighted-average shares and assumed conversions	17,024		16,934		16,903		16,714
Basic income (loss) per share:	$	3.58	$	0.97	$	3.90	$	2.52
Diluted income (loss) per share:	3.46		0.93		3.77		2.40

Anti-dilutive shares and Potential Ordinary Shares That Were Not Otherwise Antidilutive excluded From Calculation of Diluted Weighted Average Shares Outstanding

Certain potential ordinary dilutive shares were excluded from the calculation of diluted weighted-average shares outstanding because they would have an anti-dilutive effect on net income per share (see table below).

	Three Months Ended
	September 30, 2012	September 30, 2011
Anti-dilutive shares excluded	881,254	744,317