Change in estimates of projected future variables that has no impact on reported value of goodwill, percentage

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- Definition

Increase (Decrease) In Intangible Assets

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- Definition

Intangible Assets, Increase (Decrease) In Accumulated Amortization

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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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Goodwill and Intangible Assets, Net - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Goodwill [Line Items]
Goodwill additions	$ 201,500,000	$ 247,700,000
Goodwill impairment	$ 0	0	$ 0
Change in estimates of projected future variables that has no impact on reported value of goodwill, percentage	10.00%
Reduction in accumulated amortization	$ 0	200,000
Reduction in intangible assets	0	200,000
Shadow Financial
Goodwill [Line Items]
Goodwill additions	17,600,000
Fi360
Goodwill [Line Items]
Goodwill additions	84,400,000
Clear-Structure
Goodwill [Line Items]
Goodwill additions	44,200,000
Funds-Library
Goodwill [Line Items]
Goodwill additions	$ 39,100,000
Rockall
Goodwill [Line Items]
Goodwill additions		31,100,000
RPM
Goodwill [Line Items]
Goodwill additions		181,600,000
TD Ameritrade
Goodwill [Line Items]
Goodwill additions		$ 27,100,000