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Commitments and Contingencies - Additional Information (Detail) € in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jun. 30, 2012 Patents | Oct. 30, 2011 Patents | Apr. 01, 2016 USD ($) | Apr. 01, 2016 EUR (€)
Other Commitments [Line Items] |  |  |  |  |
Non-cancelable purchase commitments |  |  |  | $ 19,800,000 |
Post-closing Adjustments Period |  |  |  | 90 days |
Maximum amount of potential future payments under the company's financial guarantees |  |  |  | $ 700,000 |
Business Combination, Contingent Consideration, Liability, Current | [1] |  |  | 7,991,000 |
Loss Contingency, Patents Allegedly Infringed, Number | Patents |  | 1 | 2 |  |
Guarantee Obligations [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Guarantees related to rent obligations |  |  |  | 1,900,000 |
Indemnification [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Accrual for indemnification provisions |  |  |  | 0 |
Israel [Member] | Guarantee Obligations [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Guarantees related to rent obligations |  |  |  | 300,000 |
TVN [Member] | Guarantee Obligations [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Guarantees related to rent obligations |  |  |  | 1,300,000 |
TVN's 2015 revenue, difference as converted from euros to US dollars [Member] | Maximum [Member] | TVN [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  |  |  | 75,000,000 | € 76
TVN's 2015 backlog [Member] | Maximum [Member] | TVN [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  |  |  | $ 5,000,000 |
[1] | The TVN acquisition is subject to post-closing adjustments as set forth in the TVN Purchase Agreement to be determined within 90 days from the acquisition date in amounts respectively capped to (i) the difference between €76 million (as converted from euros into U.S. dollars) and $75 million, with respect to an adjustment based on TVN’s 2015 revenue, and (ii) $5 million with respect to an adjustment based on TVN’s 2015 backlog that ships during the first half of 2016.

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