CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) - 3 months ended Mar. 31, 2017 - 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, 2016	$ 3,799,746	$ 256,538	$ 946,755	$ 7,927,795	$ (359,326)	$ (4,972,016)
Net earnings	172,247	0	0	172,247	0	0
Dividends paid	(68,516)	0	0	(68,516)	0	0
Common stock issued for the exercise of share-based awards	(8,877)	229	(9,106)	0	0	0
Share-based compensation expense	12,805	0	12,805	0	0	0
Other comprehensive earnings, net of tax	46,010	0	0	0	46,010	0
Balance at Mar. 31, 2017	$ 3,953,415	$ 256,767	$ 950,454	$ 8,031,526	$ (313,316)	$ (4,972,016)