Earnings per Share

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
	(in thousands, except per share amounts)
Numerator
Net income	$	73,084	$	76,704	$	135,004	$	145,706
Denominator
Weighted-average shares outstanding, basic	70,770		72,518		71,173		72,784
Effect of dilutive stock awards	143		283		174		299
Adjusted weighted-average shares outstanding, diluted	70,913		72,801		71,347		73,083
Net income per share
Basic earnings per common share	$	1.03	$	1.06	$	1.90	$	2.00
Diluted earnings per common share	$	1.03	$	1.05	$	1.89	$	1.99
Anti-dilutive weighted-average shares	54		56		69		42