Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The computation of basic and diluted earnings per common share is as follows (in thousands, except per share data):

	Three Months Ended
	March 31,
	2015		2014
BASIC
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.22
DILUTED
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Add:  Dilutive effect of stock options and stock awards outstanding		1,311		1,297
		48,978		47,996
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.21