Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Income Per Share

A reconciliation of basic and diluted Net income per share is presented below:

(In thousands, except per share amounts)	2014		2013		2012
Basic:
Net income	$	472,658	$	440,065	$	556,807
Basic weighted shares outstanding	309,748		320,195		320,830
Net income per share	$	1.53	$	1.37	$	1.74
Diluted:
Net income	$	472,658	$	440,065	$	556,807
Weighted shares outstanding	309,748		320,195		320,830
Effect of dilutive securities:
Stock options, employee stock purchase plan shares, and restricted stock unit shares	2,149		2,823		3,667
Diluted weighted shares outstanding	311,897		323,018		324,497
Net income per share	$	1.52	$	1.36	$	1.72