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