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Equity Compensation - ESPP Activity (Details) - ESPP - ESPP - $ / shares shares in Thousands | 12 Months Ended
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Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Issued shares (in shares) | 740 | 851 | 890
Average price of issued shares (in dollars per share) | $ 166.44 | $ 130.13 | $ 122.73
Weighted average grant date fair value of awards granted under the ESPP (in dollars per share) | $ 67.77 | $ 84.21 | $ 55.98

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