CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) - 6 months ended Jun. 30, 2015 - 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, 2014	$ 3,700,725	$ 255,893	$ 900,833	$ 7,074,782	$ (158,931)	$ (4,371,852)
Net earnings	541,906	0	0	541,906	0	0
Dividends paid	(127,659)	0	0	(127,659)	0	0
Common stock issued for the exercise of share-based awards	(3,019)	171	(3,190)	0	0	0
Tax benefit from the exercise of share-based awards	515	0	515	0	0	0
Share-based compensation expense	18,851	0	18,851	0	0	0
Common stock acquired	(500,134)	0	0	0	0	(500,134)
Other comprehensive earnings (loss)	(38,703)	0	0	0	(38,703)	0
Balance at Jun. 30, 2015	$ 3,592,482	$ 256,064	$ 917,009	$ 7,489,029	$ (197,634)	$ (4,871,986)