Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Schedule Computing Earnings Per Share

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 June 30,		Six months ended June 30,
(in thousands, except market price and earnings per share)	2017	2016	2017	2016
Net income attributable to the Company	$1,117	$10,367	$11,956	$23,868
Weighted average number of shares:
Weighted average number of shares used in
calculating basic net income per share	32,166	32,093	32,147	32,067
Effect of dilutive stock-based compensation plans:
Stock options	34	38	35	39
Weighted average number of shares used in
calculating diluted net income per share	32,200	32,131	32,182	32,106
Average market price of common stock used
for calculation of dilutive shares	$48.44	$39.47	$47.47	$37.40
Net income per share:
Basic	$0.03	$0.32	$0.37	$0.74
Diluted	$0.03	$0.32	$0.37	$0.74