XML 63 R53.htm IDEA: XBRL DOCUMENT v3.5.0.2
Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted cash $ 5,931  
Available-for-sale investments 53,104 $ 430,663
Short-term investments 53,104 430,663
Derivatives - contracts 322 1,486
Other current assets 322 1,486
Available-for-sale investments 15,256  
Other long-term assets 29,926 21,250
Derivatives - contracts 3,047 263
Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted cash - non-current 245  
Total assets 94,873 538,589
Total liabilities 3,047  
Cash and cash equivalents 15,536 106,440
Restricted cash 5,931  
Short-term investments 53,104 430,663
Derivatives - contracts 322 1,486
Other current assets 322 1,486
Total current assets 74,893 538,589
Available-for-sale investments 5,956  
Other long-term assets 13,779  
Restricted cash - non-current 245  
Total long-term assets 19,980  
Derivatives - contracts 3,047 263
Fair Value Measurements, Recurring [Member] | Currency Forward Contracts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives - contracts 250  
Other current assets 250  
Derivatives - contracts 3,030 263
Fair Value Measurements, Recurring [Member] | Option Contracts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives - contracts 72  
Other current assets 72  
Derivatives - contracts 17  
Money Market Funds [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 10,105 106,099
Restricted cash 5,931  
Bankers' Acceptance Drafts [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 936 11
Available-for-sale investments 2,487 728
Time Deposits and Certificates of Deposit [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 1,000  
Available-for-sale investments 1,395 11,892
Asset-Backed Securities [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 18,326 124,997
U.S. Treasury Obligations [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 1,152  
U.S. Agency Obligations [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 650  
Available-for-sale investments 9,657 119,582
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted cash - non-current 245  
Total assets 16,281 106,099
Cash and cash equivalents 10,105 106,099
Restricted cash 5,931  
Total current assets 16,036 106,099
Restricted cash - non-current 245  
Total long-term assets 245  
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Money Market Funds [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 10,105 106,099
Restricted cash 5,931  
Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 78,592 432,490
Total liabilities 3,047  
Cash and cash equivalents 5,431 341
Short-term investments 53,104 430,663
Derivatives - contracts 322 1,486
Other current assets 322 1,486
Total current assets 58,857 432,490
Available-for-sale investments 5,956  
Other long-term assets 13,779  
Total long-term assets 19,735  
Derivatives - contracts 3,047 263
Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member] | Currency Forward Contracts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives - contracts 250  
Other current assets 250  
Derivatives - contracts 3,030 263
Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member] | Option Contracts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives - contracts 72  
Other current assets 72  
Derivatives - contracts 17  
Significant Other Observable Inputs (Level 2) [Member] | Bankers' Acceptance Drafts [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 936 11
Available-for-sale investments 2,487 728
Significant Other Observable Inputs (Level 2) [Member] | Time Deposits and Certificates of Deposit [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 1,000  
Available-for-sale investments 1,395 11,892
Significant Other Observable Inputs (Level 2) [Member] | Asset-Backed Securities [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 18,326 124,997
Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury Obligations [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 1,152  
Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Obligations [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 650  
Available-for-sale investments 9,657 119,582
Corporate Obligations [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 16,701 165,109
Corporate Obligations [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents   330
Available-for-sale investments 16,701 165,109
Corporate Obligations [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents   330
Available-for-sale investments 16,701 165,109
Municipal Bonds [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 593 8,355
Municipal Bonds [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 593 8,355
Municipal Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 593 $ 8,355
Commercial Paper [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 2,793  
Commercial Paper [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 2,845  
Available-for-sale investments 2,793  
Commercial Paper [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 2,845  
Available-for-sale investments 2,793  
Group Insurance Contracts [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 5,956  
Group Insurance Contracts [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale investments 5,956  
Israeli Pension Assets [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash surrender value of life insurance 13,779  
Israeli Pension Assets [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash surrender value of life insurance $ 13,779