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Segment and Geographic Information - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Detail) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 USD ($) | Sep. 27, 2020 USD ($) | Jun. 28, 2020 USD ($) | Mar. 29, 2020 USD ($) | Dec. 31, 2019 USD ($) | Sep. 29, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2020 USD ($) Segment | Dec. 31, 2019 USD ($) Segment | Dec. 31, 2018 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 223,615 | $ 251,073 | $ 169,097 | $ 167,235 | $ 169,769 | $ 183,325 | $ 199,047 | $ 173,484 | $ 811,020 | $ 725,625 | $ 806,338
Long-lived assets | 86,967 |  |  |  | 95,276 |  |  |  | $ 86,967 | $ 95,276 | 95,321
Number of reportable segments | Segment |  |  |  |  |  |  |  |  | 1 | 1 |
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 280,205 | $ 247,689 | 231,760
Long-lived assets | 60,911 |  |  |  | 68,496 |  |  |  | 60,911 | 68,496 | 67,156
Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 208,787 | 227,738 | 311,914
Long-lived assets | 20,014 |  |  |  | 21,691 |  |  |  | 20,014 | 21,691 | 23,948
Greater China [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 168,287 | 115,061 | 123,708
Long-lived assets | 1,278 |  |  |  | 1,487 |  |  |  | 1,278 | 1,487 | 1,482
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 153,741 | 135,137 | 138,956
Long-lived assets | $ 4,764 |  |  |  | $ 3,602 |  |  |  | $ 4,764 | $ 3,602 | $ 2,735

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