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])	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended			9 Months Ended		9 Months Ended	12 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended		12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended
	Sep. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2013 Euro Contract 2 [Member] Euro [Member] USD ($)	Dec. 31, 2012 Euro Contract 2 [Member] Euro [Member] USD ($)	Sep. 30, 2013 Euro Contract 2 [Member] Euro [Member] EUR (€)	Dec. 31, 2012 Euro Contract 2 [Member] Euro [Member] EUR (€)	Sep. 30, 2013 USD Contract [Member] USD Contract 1 [Member] USD ($)	Sep. 30, 2013 USD Contract [Member] USD ($)	Sep. 30, 2013 GBP Contract [Member] USD ($)	Sep. 30, 2013 GBP Contract [Member] British Pound Contract [Member] USD ($)	Sep. 30, 2013 GBP Contract [Member] British Pound Contract [Member] GBP (£)	Sep. 30, 2013 JPY Contract [Member] Japanese Yen [Member] USD ($)	Dec. 31, 2012 JPY Contract [Member] Japanese Yen [Member] USD ($)	Sep. 30, 2013 JPY Contract [Member] Japanese Yen [Member] JPY (¥)	Dec. 31, 2012 JPY Contract [Member] Japanese Yen [Member] JPY (¥)	Sep. 30, 2013 Minimum [Member] Japanese Yen [Member]	Dec. 31, 2012 Minimum [Member] Japanese Yen [Member]	Sep. 30, 2013 Minimum [Member] Euro Contract 2 [Member] Euro [Member]	Dec. 31, 2012 Minimum [Member] Euro Contract 2 [Member] Euro [Member]	Sep. 30, 2013 Minimum [Member] USD Contract [Member] USD Contract 1 [Member]	Sep. 30, 2013 Maximum [Member] Japanese Yen [Member]	Dec. 31, 2012 Maximum [Member] Japanese Yen [Member]	Sep. 30, 2013 Maximum [Member] Euro Contract 2 [Member] Euro [Member]	Dec. 31, 2012 Maximum [Member] Euro Contract 2 [Member] Euro [Member]	Sep. 30, 2013 Maximum [Member] USD Contract [Member] USD Contract 1 [Member]
Derivative [Line Items]
Contract amount	$ 265,003,000	$ 120,573,000	$ 144,894,000	$ 104,155,000	€ 110,360,000	€ 93,500,000	$ 59,511,000	$ 59,511,000	$ 4,643,000		£ 3,000,000	$ 55,955,000	$ 16,418,000	¥ 5,468,700,000	¥ 1,330,000,000
Market value in U.S. dollars	266,404,000	121,376,000	149,326,000	105,997,000			56,395,000			4,848,000		55,835,000	15,379,000
Net unrealized appreciation (depreciation)	$ (1,401,000)	$ (803,000)	$ (4,432,000)	$ (1,842,000)			$ 3,116,000			$ (205,000)		$ 120,000	$ 1,039,000
Expiration date										Apr. 30, 2014						Nov. 27, 2013	Feb. 28, 2013	Oct. 04, 2013	Jan. 17, 2013	Oct. 04, 2013	Jan. 30, 2015	May 31, 2013	Jul. 31, 2014	Oct. 31, 2013	Jun. 27, 2014