FINANCIAL INSTRUMENTS AND DERIVATIVES Amounts recorded in AOCI related to cash flow hedging instruments (Detail) (USD $) In Thousands, unless otherwise specified			3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 Net Investment Hedging	Mar. 31, 2011 Net Investment Hedging	Mar. 31, 2012 Cash Flow Hedging	Mar. 31, 2011 Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Beginning balance	$ (149,522)	$ (117,390)	$ (143,730)	$ 45,417	$ (12,737)	$ (1,468)
Foreign currency translation adjustment			126,808	86,438
Changes in fair value of derivatives					(777)	(1,036)
Changes in fair value of foreign currency debt			5,324	1,014
Reclassifications to earnings from equity					(430)	229
Changes in fair value of derivative hedge instruments			(30,926)	(26,205)
Total activity			101,206	61,247	(1,207)	(807)
Ending balance	$ (149,522)	$ (117,390)	$ (42,524)	$ 106,664	$ (13,944)	$ (2,275)