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Acquisitions - Narrative (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 17, 2021 shares | Jul. 31, 2021 acquisition | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) acquisition | Jun. 30, 2020 USD ($) acquisition | Dec. 31, 2020 USD ($)
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |
Net cash paid |  |  |  |  | $ 1,002,551 | $ 67,595 |
Fair value adjustments reducing revenue |  |  | $ (222,931) | $ (184,290) | (444,936) | (378,980) |
Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |
Total consideration |  |  |  |  | 1,236,372 |  | $ 102,094
Net cash paid |  |  |  |  | $ 1,002,551 | $ 93,032 |
Number of acquisitions | acquisition |  |  |  |  | 8 | 6 |
Acquisition and integration costs |  |  | 10,233 | 265 | $ 17,094 | $ 1,078 |
Goodwill from acquisition, expected tax deductible amount |  |  | 16,606 |  | 16,606 |  |
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 |  |  | 998 | 79 | 1,010 | 195 |
Seequent |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |
Net cash paid |  |  | 910,997 |  |  |  |
Acquisition and integration costs |  |  | 9,180 |  | 15,896 |  |
Business acquisition, pro forma revenue |  |  | $ 241,762 | $ 199,339 | $ 497,545 | $ 419,180 |
Seequent | Class B Common Stock |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |
Number of shares sold (in shares) | shares | 3,141,342 |  |  |  |  |  |

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