DERIVATIVE INSTRUMENTS (Detail) - Schedule of Derivative Instruments Designated as Hedges of the Net Investment in a Foreign Operation (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Weighted average of U.S. dollar equivalent of foreign denominated net assets	$ 1,733,555		$ 833,491
Derivative gains (losses) (1)	$ 36,836	[1]	$ (16,526)	[1]

[1] Derivative gains (losses) from derivative instruments designated as hedges of the net investment in a foreign operation are recorded in the cumulative translation adjustment account within AOCI for each period.