CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE EARNINGS (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 213,959	$ 330,049	$ 374,097	$ 540,052
Foreign currency translation adjustments [Abstract]
Foreign currency translation gains (losses) during period	10,971	(2,440)	(6,402)	(42,195)
Reclassification of foreign currency translation losses to earnings upon sale of subsidiaries	0	0	0	2,905
Total foreign currency translation, net of tax	10,971	(2,440)	(6,402)	(39,290)
Pension and other postretirement benefit plans [Abstract]
Amortization of actuarial losses included in net periodic pension cost	1,443	3,897	2,885	7,754
Amortization of prior service cost included in net periodic pension cost	1,392	1,435	2,784	2,850
Total pension and other postretirement benefit plans, net of tax	2,835	5,332	5,669	10,604
Changes in fair value of cash flow hedges [Abstract]
Unrealized net (losses) gains arising during period	79	(287)	(395)	94
Net (gains) losses reclassified into earnings	(50)	88	(189)	88
Total cash flow hedges, net of tax	29	(199)	(584)	182
Other comprehensive earnings (loss) other adjustment, net of tax	745	247	619	165
Other comprehensive earnings (loss), net of tax	14,580	2,940	(698)	(28,339)
Comprehensive earnings	$ 228,539	$ 332,989	$ 373,399	$ 511,713