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Acquisition - Additional Information (Detail) - USD ($) |  | 12 Months Ended
--- | --- | ---
Feb. 01, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |
Business acquisition share price | $ 30.00 |  |  |
Stock-based compensation expense |  | $ 29,500,000 | $ 49,200,000 | $ 27,300,000
Electro Scientific Industries Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition share price | $ 30.00 |  |  |
Business acquisition, total cash consideration | $ 1,032,700,000 |  |  |
Non Cash Consideration related to share based compensation awards | 30,600,000 |  |  |
Total Purchase Consideration | $ 1,063,300,000 |  |  |
Fair value write-up of acquired finished goods inventory |  | 7,600,000 |  |
Incremental costs of sales charge |  |  | 7,600,000 |
Fair value excluding write-up of acquired property, plant and equipment |  | $ 39,200,000 |  |
Compensation expense |  |  | 2,700,000 |
Stock-based compensation expense |  |  | $ 14,000,000.0 |

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