Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Reconciliation of Numerators and Denominators of Basic and Diluted Per-Share Computations

A reconciliation of the numerators and the denominators of the basic and diluted per-share computations follows:

	Year Ended December 31,
	2012		2011		2010
	(In thousands, except per share data)
Net income – basic (numerator):	$	720,477	$	962,542	$	955,457
Effect of dilutive potential shares
Convertible debentures		--		--		56
Net income including conversions – diluted (numerator):	$	720,477	$	962,542	$	955,513
Weighted-average shares – basic (denominator):		139,029		139,027		139,026
Effect of dilutive potential shares
Convertible debentures		--		--		21
Stock options and stock appreciation rights		19		11		23
Weighted-average shares including conversions – diluted (denominator):		139,048		139,038		139,070
Earnings per share:
Basic	$	5.18	$	6.92	$	6.87
Diluted	$	5.18	$	6.92	$	6.87

Securities Excluded From Computation of Diluted Earning Per Share

The following table sets forth the share effects of stock options and the number of stock appreciation rights excluded from our computations of diluted earnings per share, or EPS, as the inclusion of such potentially dilutive shares would have been antidilutive for the periods presented:

	Year Ended December 31,
	2012		2011		2010
	(In thousands)
Employee and director:
Stock options		18		19		11
Stock appreciation rights		853		847		584