CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE EARNINGS (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 231,844	$ 269,114	$ 605,941	$ 809,166
Foreign currency translation adjustments [Abstract]
Foreign currency translation gains (losses) during period	(70,369)	61,800	(76,771)	19,605
Reclassification of foreign currency translation losses to earnings upon sale of subsidiaries	(8,406)	0	(8,406)	2,905
Total foreign currency translation, net of tax	(78,775)	61,800	(85,177)	22,510
Pension and other postretirement benefit plans [Abstract]
Actuarial gains arising during period	0	80,455	0	80,455
Prior service cost arising during period	0	(121)	0	(121)
Amortization of actuarial losses included in net periodic pension cost	1,287	2,737	4,172	10,491
Amortization of prior service cost included in net periodic pension cost	1,516	1,436	4,300	4,286
Total pension and other postretirement benefit plans, net of tax	2,803	84,507	8,472	95,111
Changes in fair value of cash flow hedges [Abstract]
Unrealized net (losses) gains arising during period	(466)	106	(861)	200
Net (gains) losses reclassified into earnings	169	(401)	(20)	(313)
Total cash flow hedges, net of tax	(297)	(295)	(881)	(113)
Other comprehensive earnings (loss) other adjustment, net of tax	927	115	1,546	280
Other comprehensive earnings (loss), net of tax	(75,342)	146,127	(76,040)	117,788
Comprehensive earnings	$ 156,502	$ 415,241	$ 529,901	$ 926,954