Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2022

Stockholders' Equity

Reconciliation of number of shares outstanding with the number of shares used in computing basic and diluted earnings per share

The following table reconciles the number of shares outstanding with the number of shares used in computing basic and diluted earnings per share for each of the periods presented (in thousands):

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2022	2021	2022	2021
Common shares outstanding, end of period	35,781	36,349	35,781	36,349
Effect of using weighted average common shares outstanding	189	54	241	(4)
Shares used in computing earnings per share—basic	35,970	36,403	36,022	36,345
Effect of shares issuable under stock option plans based on the treasury stock method	42	97	42	114
Effect of restricted and contingently issuable shares	61	66	66	74
Shares used in computing earnings per share—diluted	36,073	36,566	36,130	36,533