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Commitments and Contingencies - Additional Information (Detail) (USD $) | Sep. 26, 2014 | Jun. 29, 2012 Patents | Oct. 31, 2011 Patents
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Contingencies And Commitments [Line Items] |  |  |
Future sublease income from Aurora | $ 300,000 |  |
Non-cancelable purchase commitments | 17,600,000 |  |
Maximum amount of potential future payments under the company's financial guarantees | 200,000 |  |
Infringements of number of patents held |  | 1 | 2
Israel [Member] |  |  |
Contingencies And Commitments [Line Items] |  |  |
Guarantees related to rent obligations | 400,000 |  |
Indemnification [Member] |  |  |
Contingencies And Commitments [Line Items] |  |  |
Accrual for indemnification provisions | $ 0 |  |

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