Common and Common Equivalent Shares

6 Months Ended

Jun. 30, 2019

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, 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 six months ended June 30, 2019 and 2018 is as follows (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Weighted average number of common shares outstanding		83,234		92,987		84,623		92,922
Weighted average number of dilutive common share equivalents		455		542		464		594

Weighted average number of common and common equivalent shares outstanding		83,689		93,529		85,087		93,516

Antidilutive securities not included in the diluted net income per common share calculation		923		392		713		197