Investments and other assets - Narrative (Details) - MadHive Inc $ in Millions	3 Months Ended
Sep. 30, 2023 USD ($)
Debt Securities, Available-for-sale [Line Items]
Proceeds from sale of equity method investment	$ 26.4
Pre-tax gain on sale of equity method investment	$ 25.8
Ownership interest (as a percent)	19.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details