Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2017

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
		March 31,
(in thousands, except per share data)			2017		2016
Net income		$	9,687	$	11,052
Denominator for basic earnings per share - weighted-average number of
	common shares outstanding during the period		49,511		49,848
Incremental common shares attributable to exercise of dilutive options			361		292
Incremental common shares attributable to outstanding restricted
	stock units		208		147
Denominator for diluted earnings per share			50,080		50,287
Basic earnings per share			$0.20		$0.22
Diluted earnings per share			$0.19		$0.22