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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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