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Acquisitions - Narrative (Details) $ in Millions |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 11, 2021 USD ($) | Mar. 31, 2021 USD ($) shares | Nov. 23, 2020 USD ($) shares | Jan. 31, 2021 USD ($) | Jan. 31, 2022 USD ($) trading_day business_combination shares | Jan. 31, 2021 USD ($) business_combination shares | Jan. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration transferred, equity interests |  |  |  |  | $ 6.1 | $ 37.9 | $ 0.0
Share-based compensation expense |  |  |  |  | $ 558.5 | $ 399.8 | $ 362.4
Consecutive trading days | trading_day |  |  |  |  | 90 |  |
Restricted Stock |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Vesting period |  |  |  |  | 2 years |  |
Upchain |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired | 100.00% |  |  |  |  |  |
Payments to acquire businesses | $ 126.7 |  |  |  |  |  |
Consideration transferred, equity interests | 13.1 |  |  |  | $ 13.1 |  |
Consideration transferred | 139.8 |  |  |  |  |  |
Business combination, consideration transferred, other | 123.6 |  |  |  |  |  |
Business combination, contingent consideration, liability | $ 13.1 |  |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 3.1 |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares |  |  |  |  | 48,000 |  |
Goodwill |  |  |  |  | $ 86.7 |  |
Upchain | Year One |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Vesting percentage (up to percentage) | 40.00% |  |  |  |  |  |
Upchain | Year Two |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Vesting percentage (up to percentage) | 60.00% |  |  |  |  |  |
Innovyze |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire businesses |  | $ 1,035.5 |  |  |  |  |
Consideration transferred, equity interests |  | 2.6 |  |  |  |  |
Consideration transferred |  | 1,038.1 |  |  |  |  |
Business combination, consideration transferred, other |  | $ 1,035.5 |  |  |  |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares |  | 9,277 |  |  |  |  |
Business combination, contingent consideration, asset |  | $ 2.6 |  |  |  |  |
Percentage of restricted common stock released |  | 50.00% |  |  |  |  |
Goodwill |  |  |  |  | 323.5 |  |
Innovyze | Restricted Stock |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Shares issued in period (in shares) | shares |  | 9,277 |  |  |  | 9,277 |
Other |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire businesses |  |  |  |  | 98.8 |  |
Consideration transferred, equity interests |  |  |  |  | 10.6 |  |
Consideration transferred |  |  |  |  | 113.3 | $ 45.4 |
Business combination, consideration transferred, other |  |  |  |  | $ 99.2 |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares |  |  |  |  | 39,000 |  |
Number of businesses acquired | business_combination |  |  |  |  | 4 | 2 |
Assumed liabilities |  |  |  |  | $ 0.4 |  |
Goodwill |  |  |  | $ 193.0 | 69.7 | $ 193.0 |
Other | Restricted Stock |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration transferred, equity interests |  |  |  |  | $ 3.5 |  |
Shares issued in period (in shares) | shares |  |  |  |  | 12,782 |  |
Spacemaker |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire businesses |  |  | $ 214.1 |  |  |  |
Consideration transferred, equity interests |  |  | 37.9 |  |  |  |
Consideration transferred |  |  | 252.0 |  |  |  |
Business combination, consideration transferred, other |  |  | $ 231.1 |  |  |  |
Share-based compensation expense |  |  |  | $ 2.0 |  |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares |  |  | 147,264 |  |  |  |
Shares issued in period (in shares) | shares |  |  | 73,632 |  |  |  |
Business combination, contingent consideration, asset |  |  | $ 18.9 |  |  |  |
Vesting period |  |  | 3 years |  |  |  |
Spacemaker | Restricted Stock |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Shares issued in period (in shares) | shares |  |  |  |  |  | 73,632 |
Vesting period |  |  |  |  |  | 3 years |

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