Common and Common Equivalent Shares

9 Months Ended

Sep. 30, 2018

7.	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, deferred 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, 2018 and 2017 is as follows (in thousands):


	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Weighted average number of common shares outstanding		90,984		92,589		92,239		92,348
Weighted average number of dilutive common share equivalents		375		292		521		666

Weighted average number of common and common equivalent shares outstanding		91,359		92,881		92,760		93,014

Antidilutive securities not included in the diluted net income per common share calculation		214		380		202		130