Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

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

	Year Ended December 31,
(In thousands except per share data)	2011		2012		2013
Basic net income per share:
Net income	$	76,411	$	105,418	$	86,737
Weighted average shares outstanding:
Common stock	129,922		135,279		138,577
Number of shares used in per share computations	129,922		135,279		138,577
Earnings per share	$	0.59	$	0.78	$	0.63
Diluted net income per share:
Net income	$	76,411	$	105,418	$	86,737
Weighted average shares outstanding:
Common stock	129,922		135,279		138,577
Stock options, awards and employee share purchase plans	8,142		5,986		4,434
Number of shares used in per share computations	138,064		141,265		143,011
Earnings per share	$	0.55	$	0.75	$	0.61