CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Common Stock in Treasury [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at beginning of year at Dec. 31, 2014	$ 3,700,725	$ 255,893	$ 900,833	$ (4,371,852)	$ 7,074,782	$ (158,931)
Net earnings	869,829	0	0	0	869,829	0
Dividends paid	(257,969)	0	0	0	(257,969)	0
Common stock issued for the exercise of share-based awards	(3,562)	220	(3,782)	0	0	0
Tax benefit from the exercise of share-based awards	661	0	661	0	0	0
Stock-based compensation expense	30,697	0	30,697	0	0	0
Common stock acquired	(600,164)	0	0	(600,164)	0	0
Other comprehensive earnings (loss), net of tax	(95,642)	0	0	0	0	(95,642)
Balance at end of year at Dec. 31, 2015	3,644,575	256,113	928,409	(4,972,016)	7,686,642	(254,573)
Net earnings	508,892	0	0	0	508,892	0
Dividends paid	(267,739)	0	0	0	(267,739)	0
Common stock issued for the exercise of share-based awards	(15,700)	425	(16,125)	0	0	0
Tax benefit from the exercise of share-based awards	4,964	0	4,964	0	0	0
Stock-based compensation expense	21,015	0	21,015	0	0	0
Other comprehensive earnings (loss), net of tax	(104,753)	0	0	0	0	(104,753)
Other	8,492	0	8,492	0	0	0
Balance at end of year at Dec. 31, 2016	3,799,746	256,538	946,755	(4,972,016)	7,927,795	(359,326)
Net earnings	811,665	0	0	0	811,665	0
Dividends paid	(283,959)	0	0	0	(283,959)	0
Common stock issued for the exercise of share-based awards	(18,443)	454	(18,897)	0	0	0
Stock-based compensation expense	26,528	0	26,528	0	0	0
Common stock acquired	(105,023)	0	0	(105,023)	0	0
Other comprehensive earnings (loss), net of tax	164,567	0	0	0	0	164,567
Other	(11,901)	0	(11,901)	0	0	0
Balance at end of year at Dec. 31, 2017	$ 4,383,180	$ 256,992	$ 942,485	$ (5,077,039)	$ 8,455,501	$ (194,759)