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Organization and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedules of Percentage of Total Revenues and Accounts Receivable by Customer | The following table sets forth the percentages of total revenue or gross accounts receivable for customers that represent 10% or more of the respective amounts for the periods shown:
| Revenue |  | Gross Accounts Receivable
| Twelve Months Ended December 31, |  | As of December 31,
| 2021 |  | 2020 |  | 2019 |  | 2021 |  | 2020
Distributor A | 28 | % |  | 23 | % |  | 17 | % |  | 16 | % |  | 19 | %
Distributor B | 12 | % |  | 11 | % |  | 12 | % |  | 11 | % |  | 10 | %
Distributor C | 21 | % |  | 18 | % |  | 10 | % |  | 13 | % |  | 12 | %
Distributor D | 18 | % |  | 11 | % |  | * |  | 13 | % |  | *
* Less than 10%
Schedule of Basic and Diluted Net Income (Loss) Per Share | The following table sets forth the computation of basic and diluted net income per share for the periods shown.
|  | Twelve Months Ended December 31,
(In millions) |  | 2021 |  | 2020 |  | 2019
Net income |  | $ | 154.7 |  |  | $ | 493.6 |  |  | $ | 101.1 |
Net income per common share |  |  |  |  |  |
Basic |  | $ | 1.60 |  |  | $ | 5.23 |  |  | $ | 1.11 |
Diluted |  | $ | 1.55 |  |  | $ | 5.06 |  |  | $ | 1.10 |
Basic weighted average shares outstanding |  | 96.7 |  |  | 94.4 |  |  | 91.1 |
Dilutive potential common stock outstanding: |  |  |  |  |  |
Restricted stock units |  | 0.5 |  |  | 1.0 |  |  | 1.2 |
Warrants |  | 2.9 |  |  | 2.1 |  |  | — |
Diluted weighted average shares outstanding |  | 100.1 |  |  | 97.5 |  |  | 92.3 |
Schedule of Outstanding Anti-Dilutive Securities Excluded in Diluted Net Income (Loss) per Share | Outstanding anti-dilutive securities not included in the diluted net income per share attributable to common stockholders calculations were as follows:
| Twelve Months Ended December 31,
(In millions) | 2021 |  | 2020 |  | 2019
Restricted stock units | — |  |  | — |  |  | 0.2 |
Warrants | — |  |  | — |  |  | 5.2 |
Senior convertible notes | 6.8 |  |  | 7.2 |  |  | 9.2 |
Total | 6.8 |  |  | 7.2 |  |  | 14.6 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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