Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

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 March 31,
(in thousands, except market price and earnings per share)	2016	2015
Net income attributable to the Company	$13,501	$12,213
Weighted average number of shares:
Weighted average number of shares used in
calculating basic net income per share	32,041	31,882
Effect of dilutive stock-based compensation plans:
Stock options	40	90
Weighted average number of shares used in
calculating diluted net income per share	32,081	31,972
Average market price of common stock used
for calculation of dilutive shares	$35.23	$37.36
Earnings per share attributable to Company shareholders:
Basic	$0.42	$0.38
Diluted	$0.42	$0.38