Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings per Share [Abstract]

Calculations of the Basic and Diluted EPS

	Three Months Ended March 31,
(in thousands, except per share data)	2016		2015
Net income	$	15,400	$	5,126
Weighted-average common shares outstanding - basic		49,079		48,747
Effect of diluted stock options and unvested restricted stock		206		796
Weighted-average common shares outstanding - diluted		49,285		49,543
Net income per share:
Basic	$	0.31	$	0.11
Diluted	$	0.31	$	0.10
Anti-dilutive securities not included above		1,704		529