Interim Financial Data by Segment - Schedule of Amortization of Acquired Intangibles and Purchased Intellectual Property by Segment (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Segment Reporting Information [Line Items] | ||||
| Amortization of acquired intangibles and purchased intellectual property | $ 48.9 | $ 50.6 | $ 146.6 | $ 151.4 |
| Investor Communication Solutions | Operating Segments | ||||
| Segment Reporting Information [Line Items] | ||||
| Amortization of acquired intangibles and purchased intellectual property | 10.6 | 11.4 | 33.1 | 34.2 |
| Global Technology and Operations | Operating Segments | ||||
| Segment Reporting Information [Line Items] | ||||
| Amortization of acquired intangibles and purchased intellectual property | $ 38.3 | $ 39.2 | $ 113.5 | $ 117.1 |