Earnings Per Share (Tables)

9 Months Ended

Sep. 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 September 30,		Nine months ended September 30,
(in thousands, except market price and earnings per share)	2017	2016	2017	2016
Net income attributable to the Company	$15,269	$13,069	$27,225	$36,937
Weighted average number of shares:
Weighted average number of shares used in
calculating basic net income per share	32,187	32,104	32,160	32,079
Effect of dilutive stock-based compensation plans:
Stock options	27	37	33	39
Weighted average number of shares used in
calculating diluted net income per share	32,214	32,141	32,193	32,118
Average market price of common stock used
for calculation of dilutive shares	$53.49	$42.03	$49.49	$38.97
Net income per share:
Basic	$0.47	$0.41	$0.85	$1.15
Diluted	$0.47	$0.41	$0.85	$1.15