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Acquisitions - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2021 USD ($) | Apr. 30, 2021 acquisition | Jun. 30, 2021 USD ($) shares | Mar. 31, 2021 USD ($) acquisition | Mar. 31, 2020 USD ($) acquisition | Dec. 31, 2020 acquisition
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Fair value adjustments reducing revenue |  |  |  | $ (222,005) | $ (194,690) |
Net cash paid |  |  |  | $ 57,975 | $ 39,329 |
Forecast | Subsequent Event |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Net cash paid | $ 54,200 |  |  |  |  |
Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Number of acquisitions | acquisition |  |  |  | 3 | 6 | 2
Acquisition and integration costs |  |  |  | $ 6,861 | $ 813 |
Goodwill from acquisition, expected tax deductible amount |  |  |  | 0 |  |
Net cash paid |  |  |  | 57,975 | 93,032 |
Series of Individually Immaterial Business Acquisitions | Subsequent Event |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Number of acquisitions | acquisition |  | 2 |  |  |  |
Series of Individually Immaterial Business Acquisitions | Acquired Support Contracts Adjustment To Revenue |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Fair value adjustments reducing revenue |  |  |  | 12 | $ 116 |
Seequent |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Acquisition and integration costs |  |  |  | $ 6,716 |  |
Seequent | Forecast |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Net cash paid |  |  | $ 900,000 |  |  |
Seequent | Forecast | Class B Common Stock |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Number of shares sold (in shares) | shares |  |  | 3,141,361 |  |  |

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