Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Schedule Computing Earnings Per Share

	Three months ended September 30,				Nine months ended September 30,
(in thousands, except market price and earnings per share)	2015		2014		2015		2014
Net income attributable to the Company	$	9,658	$	11,812	$	19,699	$	33,652
Weighted average number of shares:
Weighted average number of shares used in
calculating basic net income per share		32,012		31,848		31,965		31,822
Effect of dilutive stock-based compensation plans:
Stock options		43		98		63		102
Weighted average number of shares used in calculating diluted net income per share		32,055		31,946		32,028		31,924
Average market price of common stock used for calculation of dilutive shares	$	33.89	$	37.20	$	37.10	$	36.38
Earnings per share attributable to Company shareholders:
Basic	$	0.30	$	0.37	$	0.62	$	1.06
Diluted	$	0.30	$	0.37	$	0.62	$	1.05