CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Earnings (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2015	$ 3,644,575	$ 256,113	$ 928,409	$ 7,686,642	$ (254,573)	$ (4,972,016)
Net earnings	347,730	0	0	347,730	0	0
Dividends paid	(199,159)	0	0	(199,159)	0	0
Common stock issued for the exercise of share-based awards	(13,024)	338	(13,362)	0	0	0
Tax benefit from the exercise of share-based awards	4,092	0	4,092	0	0	0
Share-based compensation expense	17,791	0	17,791	0	0	0
Other comprehensive losses, net of tax	(13,105)	0	0	0	(13,105)	0
Balance at Sep. 30, 2016	$ 3,788,900	$ 256,451	$ 936,930	$ 7,835,213	$ (267,678)	$ (4,972,016)