XML 58 R46.htm IDEA: XBRL DOCUMENT v3.4.0.3
Financial Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency derivative contracts $ (44) $ (2,942)
Total financial assets 3,437,109 3,518,078
Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 21,085 107,400
Government And Corporate Debentures Fixed Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 2,937,309 2,800,485
Government And Corporate Debentures Floating Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 66,955 68,604
Government Sponsored Enterprises Debentures    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 411,804 544,531
Fair Value, Inputs, Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total financial assets 21,085 107,400
Fair Value, Inputs, Level 1 | Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 21,085 107,400
Fair Value, Inputs, Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency derivative contracts (44) (2,942)
Total financial assets 3,416,024 3,410,678
Fair Value, Inputs, Level 2 | Government And Corporate Debentures Fixed Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 2,937,309 2,800,485
Fair Value, Inputs, Level 2 | Government And Corporate Debentures Floating Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 66,955 68,604
Fair Value, Inputs, Level 2 | Government Sponsored Enterprises Debentures    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities $ 411,804 $ 544,531