Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule of Basic And Diluted Earnings Per Share

The computation of basic and diluted earnings per share is shown below (in thousands, except per share amounts).

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Net income	$	25,632	$	25,840	$	39,971	$	43,351
Weighted average common shares outstanding	72,091		73,022		72,382		73,140
Dilutive effect of stock-based awards	506		576		500		550
Shares used in computing diluted earnings per share	72,597		73,598		72,882		73,690
Basic earnings per share	$	0.36	$	0.35	$	0.55	$	0.59
Diluted earnings per share	$	0.35	$	0.35	$	0.55	$	0.59