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Fair Value Measurement Fair Value Measurements, Recurring Basis $ in Thousands | Sep. 30, 2017 USD ($)
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Available-for-sale Securities, Debt Securities, Current | $ 9,591
Available-for-sale Securities, Debt Securities, Noncurrent | 15,140
Assets, Fair Value Disclosure, Recurring | 26,319
Prepaid Expenses and Other Current Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 1,279
Other Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 309
Fair Value, Inputs, Level 1 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Available-for-sale Securities, Debt Securities, Current | 0
Available-for-sale Securities, Debt Securities, Noncurrent | 0
Assets, Fair Value Disclosure, Recurring | 0
Fair Value, Inputs, Level 1 [Member] | Prepaid Expenses and Other Current Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0
Fair Value, Inputs, Level 1 [Member] | Other Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0
Fair Value, Inputs, Level 2 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Available-for-sale Securities, Debt Securities, Current | 9,591
Available-for-sale Securities, Debt Securities, Noncurrent | 15,140
Assets, Fair Value Disclosure, Recurring | 26,319
Fair Value, Inputs, Level 2 [Member] | Prepaid Expenses and Other Current Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 1,279
Fair Value, Inputs, Level 2 [Member] | Other Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 309
Fair Value, Inputs, Level 3 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Available-for-sale Securities, Debt Securities, Current | 0
Available-for-sale Securities, Debt Securities, Noncurrent | 0
Assets, Fair Value Disclosure, Recurring | 0
Fair Value, Inputs, Level 3 [Member] | Prepaid Expenses and Other Current Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0
Fair Value, Inputs, Level 3 [Member] | Other Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0
Earn-out liability [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | 32,000
Earn-out liability [Member] | Fair Value, Inputs, Level 1 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | 0
Earn-out liability [Member] | Fair Value, Inputs, Level 2 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | 0
Earn-out liability [Member] | Fair Value, Inputs, Level 3 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | 32,000
Liabilities, Total [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | 32,000
Liabilities, Total [Member] | Fair Value, Inputs, Level 1 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | 0
Liabilities, Total [Member] | Fair Value, Inputs, Level 2 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | 0
Liabilities, Total [Member] | Fair Value, Inputs, Level 3 [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Liabilities, Fair Value Disclosure, Recurring | $ 32,000

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