v3.19.2

Acquisitions - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended				12 Months Ended
	Feb. 28, 2018	Mar. 31, 2017	Sep. 30, 2016	Jul. 31, 2016	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017	Oct. 31, 2017
Business Acquisition [Line Items]
Cash payment to acquire intellectual property	$ 40.0		$ 90.0		$ 0.0	$ 40.0	$ 90.0
Purchase price, net of cash acquired					354.7	108.3	448.7
Intellectual property purchase price			95.0
Obligation payable			$ 5.0
Rockall
Business Acquisition [Line Items]
Contingent consideration maximum potential pay out					10.1
Purchase price, net of cash acquired					$ 34.9
Rockall | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life					6 years
Rockall | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life					4 years
RPM
Business Acquisition [Line Items]
Contingent consideration maximum potential pay out					$ 3.7
Purchase price, net of cash acquired					$ 258.3
RPM | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life					7 years
RPM | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life					5 years
TD Ameritrade
Business Acquisition [Line Items]
Purchase price, net of cash acquired					$ 61.5
TD Ameritrade | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life					7 years
Summit
Business Acquisition [Line Items]
Contingent consideration maximum potential pay out								$ 11.0
Acquisition date fair value of contingent consideration liability					$ 7.4
Purchase price, net of cash acquired						$ 26.4
Summit | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life						7 years
Summit | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life						5 years
ActivePath
Business Acquisition [Line Items]
Purchase price, net of cash acquired						$ 21.8
ActivePath | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life						2 years
ActivePath | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life						5 years
FundAssist
Business Acquisition [Line Items]
Acquisition date fair value of contingent consideration liability					7.0
Purchase price, net of cash acquired						$ 41.3
FundAssist | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life						6 years
FundAssist | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life						5 years
NACC
Business Acquisition [Line Items]
Payment of contingent consideration				$ 410.0
Purchase price, net of cash acquired				$ 406.2			406.2
Fair value of pre-existing investment							$ 0.0
NACC | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life							10 years
NACC | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life							7 years
M&O | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life							7 years
M&O | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life							6 years
MAL
Business Acquisition [Line Items]
Contingent consideration maximum potential pay out		$ 2.8
Acquisition date fair value of contingent consideration liability					$ 1.8
Purchase price, net of cash acquired							$ 20.1
Equity interest in acquiree, percentage		25.00%
Equity interests in acquiree held by others, percentage		75.00%
Contingent consideration liability payable period		4 years
Fair value of pre-existing investment		$ 9.6					$ 9.6
Nontaxable gain on investment		$ 9.3
MAL | Customer Relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life							7 years
MAL | Software Technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life							5 years

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Asset Acquisition, Consideration Transferred, Gross

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Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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