Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Share-Based Compensation [Abstract]

Summary of Company's Share Based Compensation Activities and Other Information

	2011
	Shares (1)			Weighted- Average Exercise Price (2)
	(In thousands)
Outstanding at beginning of year		6,391		$	42
Granted		1,154			54
Exercised		(1,486	)		40
Forfeited		(72	)		44
Outstanding at end of year (3)		5,987		$	45
Exercisable at end of year		4,118		$	43
Shares available for future grants		3,405

(1) Shares include Restricted Stock Units (RSUs).

(2) The weighted-average exercise price excludes RSUs.

(3) The exercise prices for options and SARs outstanding as of December 31, 2011 ranged from approximately $32 to $54. The weighted-average remaining contractual life of all options and SARs outstanding is approximately six years.

Summary of company's nonvested share awards (RSUs) activity

Nonvested Share Awards (RSUs)	Shares			Weighted- Average Grant Date Fair Value
	(In thousands)
Nonvested at January 1, 2011		171		$	44
Granted		126			54
Vested		(59	)		49
Forfeited		(16	)		48
Nonvested at December 31, 2011		222		$	48