Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Basis of presentation and description of business - Acquisition (Details) - USD ($) $ in Millions	Nov. 13, 2017	Jun. 30, 2020
Acquisitions
Ownership, as a percent		89.50%
Vista Equity Partners [Member]
Acquisitions
Aggregate purchase price	$ 733.8