CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands	Common Stock $1 Par Value [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Earnings (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2008	$ 246,615	$ 455,228	$ 5,286,458	$ 10,816	$ (2,206,251)	$ 3,792,866
Net earnings	0	0	356,438	0	0	356,438
Dividends paid	0	0	(189,874)	0	0	(189,874)
Common stock issued for options exercised	712	24,807	0	0	0	25,519
Tax benefit from the exercise of stock options	0	425	0	0	0	425
Stock-based compensation expense	0	17,176	0	0	0	17,176
Common stock issued, net of cancellations	15	617	0	0	0	632
Common stock acquired	0	0	0	0	0	0
Issuance of treasury stock	0	(962)	0	0	7,362	6,400
Other comprehensive earnings (loss)	0	0	0	74,026	0	74,026
Other	0	0	0	0	0	0
Balance at Dec. 31, 2009	247,342	497,291	5,453,022	84,842	(2,198,889)	4,083,608
Net earnings	0	0	700,104	0	0	700,104
Dividends paid	0	0	(200,099)	0	0	(200,099)
Common stock issued for options exercised	1,983	69,465	0	0	0	71,448
Tax benefit from the exercise of stock options	0	6,466	0	0	0	6,466
Stock-based compensation expense	0	21,464	0	0	0	21,464
Common stock issued, net of cancellations	36	1,771	0	0	0	1,807
Common stock acquired	0	0	0	0	(123,555)	(123,555)
Issuance of treasury stock	0	0	0	0	0	0
Other comprehensive earnings (loss)	0	0	0	(34,681)	0	(34,681)
Other	0	0	0	0	0	0
Balance at Dec. 31, 2010	249,361	596,457	5,953,027	50,161	(2,322,444)	4,526,562
Net earnings	0	0	895,243	0	0	895,243
Dividends paid	0	0	(219,154)	0	0	(219,154)
Common stock issued for options exercised	1,155	25,063	0	0	0	26,218
Tax benefit from the exercise of stock options	0	8,752	0	0	0	8,752
Stock-based compensation expense	0	25,391	0	0	0	25,391
Common stock issued, net of cancellations	76	4,780	0	0	0	4,856
Common stock acquired	0	0	0	0	(242,488)	(242,488)
Issuance of treasury stock	0	0	0	0	0	0
Other comprehensive earnings (loss)	0	0	0	(97,671)	0	(97,671)
Other	0	2,846	0	0	0	2,846
Balance at Dec. 31, 2011	$ 250,592	$ 663,289	$ 6,629,116	$ (47,510)	$ (2,564,932)	$ 4,930,555