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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Schedule of Total Stock-Based Compensation Expense Included in Company's Condensed Consolidated Statements of Operations and Comprehensive Income | The total stock-based compensation expense included in the Company’s condensed consolidated statements of operations and comprehensive income was as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Cost of revenues |  | $ | 0.8 |  |  | $ | 0.9 |  |  | $ | 1.8 |  |  | $ | 1.9 |
Research and development |  |  | 1.1 |  |  |  | 0.9 |  |  |  | 2.2 |  |  |  | 2.0 |
Selling, general and administrative |  |  | 6.9 |  |  |  | 4.9 |  |  |  | 14.8 |  |  |  | 10.8 |
Acquisition and integration costs |  |  | — |  |  |  | 0.1 |  |  |  | — |  |  |  | 0.6 |
Total pre-tax stock-based compensation expense |  | $ | 8.8 |  |  | $ | 6.8 |  |  | $ | 18.8 |  |  | $ | 15.3 |
Summary of Activity for RSUs | The following table presents the activity for RSUs under the 2014 Plan:
|  | Six Months Ended June 30, 2021 |
|  | Outstanding RSUs |  |  | Weighted Average Grant Date Fair Value |
RSUs – beginning of period |  |  | 0.6 |  |  | $ | 93.26 |
Granted |  |  | 0.2 |  |  | $ | 178.71 |
Vested |  |  | (0.3 | ) |  | $ | 95.08 |
RSUs – end of period |  |  | 0.5 |  |  | $ | 126.56 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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