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Net Loss Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net Income (Loss) Per Share | The following table sets forth the computation of basic and diluted net loss per share:
| Three Months Ended March 31, |  |
(In millions, except per share data) | 2020 |  | 2021 |  |  |  |
Basic and diluted net loss per share: |  |  |  |  |  |  |
Net loss attributable to common stockholders | $ | (48.2) |  |  | $ | (64.0) |  |  |  |  |
Weighted average shares outstanding: |  |  |  |  |  |  |
Common stock | 165.4 |  | 204.6 |  |  |  |
Number of shares used in per share computations | 165.4 |  | 204.6 |  |  |  |
Net loss per share | $ | (0.29) |  |  | $ | (0.31) |  |  |  |  |

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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=6371337&loc=d3e3550-109257 + Details
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