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Net Income (Loss) Per Share (Tables) | 9 Months Ended
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Oct. 31, 2021
Earnings Per Share [Abstract] |
Summary of Calculation of Basic and Diluted Net Loss Per Share | The following table presents the calculation of basic and diluted net income (loss) per share (in thousands, except per share data):
| Three Months Ended October 31, |  | Nine Months Ended October 31,
| 2021 |  | 2020 |  | 2021 |  | 2020
| Class A |  | Class B |  | Class A |  | Class B |  | Class A |  | Class B |  | Class A |  | Class B
Net income (loss) per share, basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | $ | 33,417 |  |  | $ | 9,995 |  |  | $ | (18,199) |  |  | $ | (6,141) |  |  | $ | 78,546 |  |  | $ | 24,080 |  |  | $ | (156,526) |  |  | $ | (54,198) |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding, basic | 191,259 |  |  | 57,209 |  |  | 178,004 |  |  | 60,055 |  |  | 188,546 |  |  | 57,802 |  |  | 175,071 |  |  | 60,614 |
Net income (loss) per share, basic | $ | 0.17 |  |  | $ | 0.17 |  |  | $ | (0.10) |  |  | $ | (0.10) |  |  | $ | 0.42 |  |  | $ | 0.42 |  |  | $ | (0.89) |  |  | $ | (0.89) |
Net income (loss) per share, diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 33,417 |  |  | 9,995 |  |  | (18,199) |  |  | (6,141) |  |  | 78,546 |  |  | 24,080 |  |  | (156,526) |  |  | (54,198) |
Reallocation of net income and interest expense as a result of conversion of Class B to Class A common stock | 9,995 |  |  | — |  |  | — |  |  | — |  |  | 24,080 |  |  | — |  |  | — |  |  | — |
Reallocation of net income and interest expense to Class B common stock | — |  |  | (247) |  |  | — |  |  | — |  |  | — |  |  | (718) |  |  | — |  |  | — |
Net income (loss) for diluted calculation | 43,412 |  |  | 9,748 |  |  | (18,199) |  |  | (6,141) |  |  | 102,626 |  |  | 23,362 |  |  | (156,526) |  |  | (54,198) |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding, basic | 191,259 |  |  | 57,209 |  |  | 178,004 |  |  | 60,055 |  |  | 188,546 |  |  | 57,802 |  |  | 175,071 |  |  | 60,614 |
Conversion of Class B to Class A common stock | 57,209 |  |  | — |  |  | — |  |  | — |  |  | 57,802 |  |  | — |  |  | — |  |  | — |
Shares related to outstanding options, unvested RSUs, PRSUs, RSAs, and ESPP obligations | 4,933 |  |  | — |  |  | — |  |  | — |  |  | 6,456 |  |  | — |  |  | — |  |  | — |
Shares subject to warrants related to the issuance of convertible senior notes | 1,359 |  |  | — |  |  | — |  |  | — |  |  | 1,113 |  |  | — |  |  | — |  |  | — |
Weighted-average shares outstanding, diluted | 254,760 |  |  | 57,209 |  |  | 178,004 |  |  | 60,055 |  |  | 253,917 |  |  | 57,802 |  |  | 175,071 |  |  | 60,614 |
Net income (loss) per share, diluted | $ | 0.17 |  |  | $ | 0.17 |  |  | $ | (0.10) |  |  | $ | (0.10) |  |  | $ | 0.40 |  |  | $ | 0.40 |  |  | $ | (0.89) |  |  | $ | (0.89) |
Shares Excluded from Diluted Loss Per Share | The weighted-average number of shares outstanding used in the computation of diluted net income (loss) per share does not include the effect of the following potentially outstanding shares of common stock. The effects of these potentially outstanding shares were not included in the calculation of diluted net income (loss) per share because the effect would have been anti-dilutive (in thousands):
| Three Months Ended October 31, |  | Nine Months Ended October 31,
| 2021 |  | 2020 |  | 2021 |  | 2020
Shares related to outstanding options, unvested RSUs, PRSUs, RSAs, and ESPP obligations | 151 |  |  | 18,169 |  |  | 189 |  |  | 17,125 |
Shares related to the convertible senior notes | 7,817 |  |  | 7,818 |  |  | 7,817 |  |  | 9,670 |
Shares subject to warrants related to the issuance of convertible senior notes | — |  |  | 10,857 |  |  | — |  |  | 10,870 |
Total | 7,968 |  |  | 36,844 |  |  | 8,006 |  |  | 37,665 |

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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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