Fair Value Position of Derivatives (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Notional Amount	$ 45,182	$ 48,022
Fair Value	132	246
Not Designated as Hedges under ASC 815 | Prepaid and other | Foreign currency exchange forwards
Derivative [Line Items]
Notional Amount	35,237	43,265
Maturity Dates	2014-07	2014-01
Fair Value	158	255
Not Designated as Hedges under ASC 815 | Accrued expenses and other current liabilities | Foreign currency exchange forwards
Derivative [Line Items]
Notional Amount	9,945	4,757
Maturity Dates	2014-07	2014-01
Fair Value	$ (26)	$ (9)