Common and Common Equivalent Shares

9 Months Ended

Sep. 30, 2022

9. Common and Common Equivalent Shares:

Basic net income per common share is calculated by dividing net income by the weighted average number of common shares outstanding during the period. Diluted net income per common share is calculated by dividing net income by the weighted average number of common and potential common shares outstanding during the period. Potential common shares consist of outstanding restricted stock and stock options and is calculated using the treasury stock method.

The calculation of shares used in the basic and diluted net income per common share calculation for the three and nine months ended September 30, 2022 and 2021 is as follows (in thousands):


	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Weighted average number of common shares outstanding		82,126		85,065		84,122		84,754
Weighted average number of dilutive common share equivalents		650		1,031		699		1,005
Weighted average number of common and common equivalent shares outstanding		82,776		86,096		84,821		85,759
Antidilutive securities not included in the diluted net income per common share calculation		1		1		273		10