Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

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,
	2020	2019	2020	2019
Common shares outstanding, end of period	36,503	36,854	36,503	36,854
Effect of using weighted average common shares outstanding	78	89	125	79
Shares used in computing earnings per share—basic	36,581	36,943	36,628	36,933
Effect of shares issuable under stock option plans based on the treasury stock method	99	221	124	226
Effect of restricted and contingently issuable shares	57	59	69	69
Shares used in computing earnings per share—diluted	36,737	37,223	36,821	37,228