v3.25.4

REVENUE RECOGNITION - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Revenues	$ 1,713.9	$ 1,589.2	$ 3,303.3	$ 3,012.1
Distribution revenues
Disaggregation of Revenue [Line Items]
Revenues	553.2	484.5	1,051.3	944.0
Recurring revenues
Disaggregation of Revenue [Line Items]
Revenues	1,070.1	980.2	2,047.6	1,880.5
Event-driven revenues
Disaggregation of Revenue [Line Items]
Revenues	90.6	124.6	204.4	187.6
Investor Communication Solutions
Disaggregation of Revenue [Line Items]
Revenues	1,233.3	1,149.2	2,363.2	2,164.8
Investor Communication Solutions | Total ICS Recurring revenues
Disaggregation of Revenue [Line Items]
Revenues	589.5	540.2	1,107.5	1,033.2
Investor Communication Solutions | Regulatory
Disaggregation of Revenue [Line Items]
Revenues	248.7	210.5	446.0	400.4
Investor Communication Solutions | Data-driven fund solutions
Disaggregation of Revenue [Line Items]
Revenues	112.7	114.5	223.7	222.5
Investor Communication Solutions | Issuer
Disaggregation of Revenue [Line Items]
Revenues	38.9	36.0	71.6	66.9
Investor Communication Solutions | Customer communications
Disaggregation of Revenue [Line Items]
Revenues	189.2	179.2	366.3	343.4
Investor Communication Solutions | Total ICS Event-driven revenues
Disaggregation of Revenue [Line Items]
Revenues	90.6	124.6	204.4	187.6
Investor Communication Solutions | Equity and other
Disaggregation of Revenue [Line Items]
Revenues	39.2	24.6	63.2	45.8
Investor Communication Solutions | Mutual funds
Disaggregation of Revenue [Line Items]
Revenues	51.4	99.9	141.2	141.9
Investor Communication Solutions | Distribution revenues
Disaggregation of Revenue [Line Items]
Revenues	553.2	484.5	1,051.3	944.0
Global Technology and Operations
Disaggregation of Revenue [Line Items]
Revenues	7.5		11.2
Global Technology and Operations | Total GTO Recurring revenues
Disaggregation of Revenue [Line Items]
Revenues	480.6	440.0	940.1	847.2
Global Technology and Operations | Capital markets
Disaggregation of Revenue [Line Items]
Revenues	300.9	279.4	581.6	540.4
Global Technology and Operations | Wealth and investment management
Disaggregation of Revenue [Line Items]
Revenues	$ 179.7	$ 160.6	$ 358.5	$ 306.8

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