Consolidated Statement Of Changes In Stockholders' Equity (USD $) In Thousands	Total	Common Stock (Par Value: $0.01):	Paid-in Capital in Excess of Par:	Retained Earnings:	Treasury Stock:	Accumulated Other Comprehensive Loss, net of tax:
Balance at beginning of year at Dec. 31, 2012	$ 5,656,264	$ 4,391	$ 5,327,111	$ 387,534	$ (1,067)	$ (61,705)
Shares issued for restricted stock awards, net of forfeitures		18	(5,093)		5,075
Net income	355,392			355,392
Purchase of common stock (324,110 shares)					(4,352)
Other comprehensive income, net of tax	2,163					2,163
Compensation expense related to restricted stock awards			16,626
Dividends paid on common stock ($0.75 per share)				(330,172)
Exercise of stock options			60	(12)	279
Tax effect of stock plans			797
Balance at end of period at Sep. 30, 2013	$ 5,697,045	$ 4,409	$ 5,339,501	$ 412,742	$ (65)	$ (59,542)