Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Earnings Per Share

The following is a reconciliation of the basic and diluted earnings per share computation:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(shares in thousands)
Net income	$	7,955	$	23,288	$	23,678	$	59,522
Shares of common stock and common stock equivalents:
Weighted average common shares used in basic computation		134,046		136,582		134,541		135,527
Dilutive effect of common stock equivalents		1,144		1,599		1,042		2,306
Weighted average shares used in dilutive computation		135,190		138,181		135,583		137,833
Basic earnings per share	$	0.06	$	0.17	$	0.17	$	0.44
Diluted earnings per share	$	0.06	$	0.17	$	0.17	$	0.43