v3.24.2.u1
Revenue Recognition - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Disaggregation of Revenue [Line Items]      
Revenues $ 6,506.8 $ 6,060.9 $ 5,709.1
Distribution revenues      
Disaggregation of Revenue [Line Items]      
Revenues 1,999.0 1,863.1 1,717.0
Recurring revenues      
Disaggregation of Revenue [Line Items]      
Revenues 4,222.6 3,986.7 3,722.7
Event-driven revenues      
Disaggregation of Revenue [Line Items]      
Revenues 285.2 211.0 269.4
Investor Communication Solutions      
Disaggregation of Revenue [Line Items]      
Revenues 4,857.9 4,535.6 4,256.6
Investor Communication Solutions | Total ICS Recurring revenues      
Disaggregation of Revenue [Line Items]      
Revenues 2,573.6 2,461.4 2,270.3
Investor Communication Solutions | Regulatory      
Disaggregation of Revenue [Line Items]      
Revenues 1,195.6 1,141.4 1,075.4
Investor Communication Solutions | Data-driven fund solutions      
Disaggregation of Revenue [Line Items]      
Revenues 435.2 404.3 363.7
Investor Communication Solutions | Issuer      
Disaggregation of Revenue [Line Items]      
Revenues 259.8 242.6 215.9
Investor Communication Solutions | Customer communications      
Disaggregation of Revenue [Line Items]      
Revenues 683.1 673.1 615.4
Investor Communication Solutions | Total ICS Event-driven revenues      
Disaggregation of Revenue [Line Items]      
Revenues 285.2 211.0 269.4
Investor Communication Solutions | Equity and other      
Disaggregation of Revenue [Line Items]      
Revenues 151.0 116.5 115.0
Investor Communication Solutions | Mutual funds      
Disaggregation of Revenue [Line Items]      
Revenues 134.2 94.5 154.4
Investor Communication Solutions | Distribution revenues      
Disaggregation of Revenue [Line Items]      
Revenues 1,999.0 1,863.1 1,717.0
Global Technology and Operations | Total GTO Recurring revenues      
Disaggregation of Revenue [Line Items]      
Revenues 1,648.9 1,525.2 1,452.4
Global Technology and Operations | Capital markets      
Disaggregation of Revenue [Line Items]      
Revenues 1,049.2 965.2 902.7
Global Technology and Operations | Wealth and investment management      
Disaggregation of Revenue [Line Items]      
Revenues $ 599.7 $ 560.1 $ 549.7