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Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) Customer | Dec. 31, 2019 USD ($) Customer | Dec. 31, 2018 USD ($)
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Right-of-use assets | $ 184.4 | $ 64.5 |
Lease liability | 15.8 | 20.6 |
Non-current lease liability | $ 187.4 | $ 44.8 |
Minimum period of company's research and development projects | 3 months |  |
Maximum period of company's research and development projects | 30 months |  |
Vesting period | 3 years |  |
Number of customers accounted for 10% or more of total accounts receivable | Customer | 1 | 0 |
Amortization period of leasehold improvements | shorter of the lease term or the estimated useful life of the leased asset. |  |
Reporting unit, percentage of fair value in excess of carrying value | 10.00% |  |
Minimum percentage of recognition of tax benefits from uncertain tax positions | 50.00% |  |
Other Expense [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Net foreign exchange losses from re-measurement | $ 3.5 | $ 3.6 | $ 2.5
Customer Concentration Risk [Member] | Semiconductor Products [Member] | Sales Revenue, Net [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Concentration risk, percentage | 59.00% | 49.00% | 55.00%
Minimum [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Intangible assets amortized period | 1 year |  |
Minimum [Member] | Building [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 10 years |  |
Minimum [Member] | Machinery and Equipment [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 3 years |  |
Minimum [Member] | Furniture and Fixtures [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 3 years |  |
Minimum [Member] | Office Equipment [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 3 years |  |
Minimum [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Concentration risk, percentage | 10.00% | 10.00% |
Maximum [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Intangible assets amortized period | 18 years |  |
Maximum [Member] | Building [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 50 years |  |
Maximum [Member] | Machinery and Equipment [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 18 years |  |
Maximum [Member] | Furniture and Fixtures [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 18 years |  |
Maximum [Member] | Office Equipment [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives | 18 years |  |
Accounting Standards Update 2016-02 [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Change In Accounting Principle Accounting Standards Update Adopted | true |  |
Change In Accounting Principle Accounting Standards Update Adoption Date | Jan. 01, 2019 |  |
Right-of-use assets | $ 71.0 |  |
Lease liability | 20.2 |  |
Non-current lease liability | $ 54.1 |  |
Accounting Standards Codification Topic 606 adjustment [Member] | Minimum [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Company's normal payment terms | 30 days |  |
Warranty period | 12 months |  |
Term of separately priced contracts | 12 months |  |
Accounting Standards Codification Topic 606 adjustment [Member] | Maximum [Member] |  |  |
Schedule Of Significant Accounting Policies [Line Items] |  |  |
Company's normal payment terms | 60 days |  |
Warranty period | 24 months |  |
Term of separately priced contracts | 60 months |  |
Remaining performance obligation period | 1 year | 1 year |

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