Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per common share

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

	Three Months Ended March 31,
	2016		2015
	(in thousands, except per share amounts)
Numerator
Net income	$	61,920	$	69,002
Denominator
Weighted-average shares outstanding, basic	71,572		73,054
Effect of dilutive stock awards	204		316
Adjusted weighted-average shares outstanding, diluted	71,777		73,370
Net income per share
Basic earnings per common share	$	0.87	$	0.94
Diluted earnings per common share	$	0.86	$	0.94
Anti-dilutive weighted-average shares	85		27