| Selected Quarterly Financial Data (Unaudited) |
Selected Quarterly Financial Data (Unaudited) Selected summarized quarterly financial information for the fiscal years 2021 and 2020 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | | January 31, 2021 | | October 31, 2020 | | July 31, 2020 | | April 30, 2020 | | January 31, 2020 | | October 31, 2019 | | July 31, 2019 | | April 30, 2019 | | | | | | | | | | | | | | | | | | | | (in thousands) | | Revenue | | $ | 882,485 | | | $ | 777,196 | | | $ | 663,520 | | | $ | 328,167 | | | $ | 188,251 | | | $ | 166,593 | | | $ | 145,826 | | | $ | 121,988 | | | Gross profit | | $ | 615,201 | | | $ | 518,469 | | | $ | 471,249 | | | $ | 224,460 | | | $ | 155,704 | | | $ | 135,748 | | | $ | 117,926 | | | $ | 97,884 | | | Income (loss) from operations | | $ | 256,117 | | | $ | 192,242 | | | $ | 188,104 | | | $ | 23,385 | | | $ | 10,553 | | | $ | (1,679) | | | $ | 2,265 | | | $ | 1,557 | | | Net income attributable to common stockholders | | $ | 260,393 | | | $ | 198,440 | | | $ | 185,742 | | | $ | 27,036 | | | $ | 15,313 | | | $ | 2,207 | | | $ | 5,521 | | | $ | 198 | | Net income per share attributable to common stockholders: | | | | | | | | | | | | | | | | | | Basic | | $ | 0.91 | | | $ | 0.70 | | | $ | 0.66 | | | $ | 0.10 | | | $ | 0.06 | | | $ | 0.01 | | | $ | 0.02 | | | $ | 0.00 | | | Diluted | | $ | 0.87 | | | $ | 0.66 | | | $ | 0.63 | | | $ | 0.09 | | | $ | 0.05 | | | $ | 0.01 | | | $ | 0.02 | | | $ | 0.00 | |
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