Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earnings per Share

The following table sets forth the calculation of basic and diluted earnings per share:

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
(in thousands, except per share data)			2016		2015		2016		2015
Net income		$	21,742	$	20,565	$	45,479	$	55,980
Denominator for basic earnings per share -
	weighted-average number of common
	shares outstanding during the period		48,965		51,192		49,377		51,940
Incremental common shares attributable to
	exercise of dilutive options		323		292		304		326
Incremental common shares attributable
	to outstanding restricted stock units		126		104		197		182
Denominator for diluted earnings per share			49,414		51,588		49,878		52,448
Basic earnings per share		$	0.44	$	0.40	$	0.92	$	1.08
Diluted earnings per share		$	0.44	$	0.40	$	0.91	$	1.07