Condensed Consolidated Statement of Changes in Stockholders' Equity (unaudited) - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Common stock [Member]	Additional paid-in capital [Member]	Retained earnings [Member]	Accumulated other comprehensive earnings [Member]	Treasury stock [Member]	Total
Beginning Balance at Dec. 31, 2014	$ 1,021	$ 1,325,338	$ 3,520,201	$ (71,927)	$ (19,273)	$ 4,755,360
Net earnings	0	0	487,470	0	0	487,470
Stock option exercises	2	21,339	0	0	0	21,341
Treasury stock sold	0	1,984	0	0	133	2,117
Currency translation adjustments, net of tax	0	0	0	(104,482)	0	(104,482)
Stock based compensation	0	47,035	0	0	0	47,035
Restricted stock activity	3	(2,110)	0	0	0	(2,107)
Stock option tax benefit, net of shortfalls	0	10,887	0	0	0	10,887
Conversion of senior subordinated convertible notes, net of tax	0	(12,177)	0	0	0	(12,177)
Dividends declared	0	0	(75,476)	0	0	(75,476)
Post retirement benefit plan adjustments	0	0	0	(1,063)	0	(1,063)
Ending Balance at Sep. 30, 2015	$ 1,026	$ 1,392,296	$ 3,932,195	$ (177,472)	$ (19,140)	$ 5,128,905