FAIR VALUE MEASUREMENT Reconciliation Assets Measured at Fair Value on a Recurring Basis Using Unobservable Inputs (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Corporate Bond Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 70,019
Unrealized Loss Reported in AOCI	(5,428)
Effect of exchange rate changes	(268)
Ending Balance	64,323
Dio Equity Option Contracts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	(142)
Unrealized Gain Reported in other expense (income), net	(138)
Effect of exchange rate changes	1
Ending Balance	$ (279)