HEDGES AND OTHER DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Net Forward Currency Sell Contracts Under Freestanding Derivatives (Detail) (Not Designated as Hedging Instrument [Member], Forward contracts (net) [Member]) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended			3 Months Ended	39 Months Ended	3 Months Ended	39 Months Ended	3 Months Ended	12 Months Ended			3 Months Ended	39 Months Ended	3 Months Ended	39 Months Ended
	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2013 Japanese Yen [Member] USD ($)	Dec. 31, 2012 Japanese Yen [Member] USD ($)	Mar. 31, 2013 Japanese Yen [Member] JPY (¥)	Dec. 31, 2012 Japanese Yen [Member] JPY (¥)	Mar. 31, 2012 Japanese Yen [Member] Minimum [Member]	Mar. 31, 2013 Japanese Yen [Member] Minimum [Member]	Mar. 31, 2012 Japanese Yen [Member] Maximum [Member]	Mar. 31, 2013 Japanese Yen [Member] Maximum [Member]	Mar. 31, 2013 Euro Contract 2 [Member] Euro [Member] USD ($)	Dec. 31, 2012 Euro Contract 2 [Member] Euro [Member] USD ($)	Mar. 31, 2013 Euro Contract 2 [Member] Euro [Member] EUR (€)	Dec. 31, 2012 Euro Contract 2 [Member] Euro [Member] EUR (€)	Mar. 31, 2012 Euro Contract 2 [Member] Euro [Member] Minimum [Member]	Mar. 31, 2013 Euro Contract 2 [Member] Euro [Member] Minimum [Member]	Mar. 31, 2012 Euro Contract 2 [Member] Euro [Member] Maximum [Member]	Mar. 31, 2013 Euro Contract 2 [Member] Euro [Member] Maximum [Member]
Derivative [Line Items]
Contract amount	$ 145,401	$ 120,573	$ 31,647	$ 16,418	¥ 2,745,100	¥ 1,330,000					$ 113,754	$ 104,155	€ 96,400	€ 93,500
Market value in U.S. dollars	142,849	121,376	29,202	15,379							113,647	105,997
Net unrealized appreciation (depreciation)	$ 2,552	$ (803)	$ 2,445	$ 1,039							$ 107	$ (1,842)
Expiration date							Feb. 28, 2013	May 31, 2013	May 31, 2013	Jan. 31, 2014					Jan. 07, 2013	Apr. 05, 2013	Oct. 31, 2013	Jan. 31, 2014