Net Gains (Losses) Recorded in Accumulated Other Comprehensive Income (Loss) Relating to Foreign Exchange Contracts Designated as Net Investment Hedges (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2014 USD ($)
Designated as Hedging Instrument
Derivative [Line Items]
Gains recognized in other comprehensive income (loss)	$ 724	[1]

[1] For and up to three months ended March 31, 2014