NOTE 9: COMMON STOCK AND EARNINGS PER SHARE

Basic earnings per share is computed by dividing net income by the weighted-average number of common shares outstanding for the period (excluding unvested restricted shares). Diluted earnings per share reflects the additional dilution for all shares and potential shares issued under the stock incentive plans (including unvested restricted shares).

	Three months ended		Six months ended
	June 30,	June 30,	June 30,	June 30,
	2013	2012	2013	2012
	(in thousands)
Weighted-average number of common shares outstanding - basic	46,897	46,621	46,865	46,559
Potentially dilutive shares resulting from stock plans	696	396	718	498
Weighted-average number of common shares outstanding - diluted	47,593	47,017	47,583	47,057
Antidilutive equity awards number not included in the weighted-average common shares-diluted	242	606	164	438

Common stock activity for the six months ended June 30, 2013 and 2012 included the repurchase of 144,714 shares for $2.5 million and 164,862 shares for $2.6 million, respectively. Common stock activity for the first six months of 2013 also included the exercise of 183,036 options for $2.1 million and the vesting of 86,630 restricted shares. Common stock activity for the first six months of 2012 also included the exercise of 37,089 options for $0.4 million and the vesting of 388,677 restricted shares.