Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

The amounts used in computing earnings per share and the weighted average number of shares of potentially dilutive securities are as follows:

	Three months ended March 31,
(in thousands, except market price and earnings per share)	2020	2019

Net income attributable to the Company	$9,109	$29,190

Weighted average number of shares:
Weighted average number of shares used in calculating basic net income per share	32,312	32,272
Effect of dilutive stock-based compensation plans:
Stock options	8	13

Weighted average number of shares used in calculating diluted net income per share	32,320	32,285

Average market price of common stock used for calculation of dilutive shares	$65.47	$71.24

Net income attributable to the Company per share:
Basic	$0.28	$0.90
Diluted	$0.28	$0.90