CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013	Jun. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 402,644		$ 295,437	[1]	$ 763,243	$ 585,508	[1]
Other comprehensive income (loss), net of tax
Net gain (loss) from foreign currency translation	(117,254)		(66,550)		(235,008)	15,702
Retirement and postretirement benefit plans	4,532		2,964		7,270	5,672
Deferred loss on interest rate hedges:
Reduction of deferred loss on interest rate hedge	0		(5,390)		0	(2,407)
Amount of loss reclassified to interest expense in consolidated statements of income	484		240		970	240
Other comprehensive income (loss)	(112,238)	[2]	(68,736)		(226,768)	19,207
COMPREHENSIVE INCOME	$ 290,406		$ 226,701		$ 536,475	$ 604,715

[1] Reclassified to conform to current presentation.

[2] All amounts are presented net of income taxes.