| In millions, except per share items | Jan-31-21 | Oct-31-20 | Jul-31-20 | Apr-30-20 | Jan-31-20 | Oct-31-19 | Jul-31-19 | Apr-30-19 |
| | 8-K | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Revenues |
| Total distribution And Underwriter Fees | | 18.2 | 18.1 | 19.1 | 21.6 | 21.2 | 21.3 | 20.1 |
| Service Fees | | 34.9 | 32.3 | 30.6 | 33.9 | 32.3 | 31.9 | 29.6 |
| Total management Fees | | 396.3 | 369.2 | 354.1 | 394.8 | 378.1 | 375.7 | 359.4 |
| Other Revenue | | 1.7 | 1.2 | 2.1 | 2.2 | 2.2 | 2.4 | 2.8 |
| U.S. | | 438.1 | 408.3 | 394.4 | 439.1 | 419.3 | 415.7 | 396.4 |
| International | | 13.0 | 12.5 | 11.5 | 13.5 | 14.4 | 15.5 | 15.5 |
| Management Fees: Equity | | 193.7 | 180.0 | 173.0 | | 183.4 | 180.1 | 172.3 |
| Distribution And Underwriter Fees: Distribution Fees | | 14.4 | 14.2 | 13.9 | | 14.7 | 15.3 | 14.8 |
| Management Fees: Alternative | | 13.3 | 11.9 | 12.1 | | 13.6 | 15.4 | 14.1 |
| |
| EBIT |
| |
| Mix |
| Total distribution And Underwriter Fees | | 4.0% | 4.3% | 4.7% | 4.8% | 4.9% | 4.9% | 4.9% |
| Service Fees | | 7.7% | 7.7% | 7.5% | 7.5% | 7.4% | 7.4% | 7.2% |
| Total management Fees | | 87.8% | 87.7% | 87.2% | 87.2% | 87.2% | 87.1% | 87.3% |
| Other Revenue | | 0.4% | 0.3% | 0.5% | 0.5% | 0.5% | 0.5% | 0.7% |
| U.S. | | 97.1% | 97.0% | 97.2% | 97.0% | 96.7% | 96.4% | 96.2% |
| International | | 2.9% | 3.0% | 2.8% | 3.0% | 3.3% | 3.6% | 3.8% |
| Management Fees: Equity | | 43.0% | 42.8% | 42.6% | | 42.3% | 41.8% | 41.8% |
| Distribution And Underwriter Fees: Distribution Fees | | 3.2% | 3.4% | 3.4% | | 3.4% | 3.6% | 3.6% |
| Management Fees: Alternative | | 2.9% | 2.8% | 3.0% | | 3.1% | 3.6% | 3.4% |
| |
| Growth |
| Total distribution And Underwriter Fees | | -14.0% | -14.8% | -4.6% | -6.5% | -10.0% | -14.0% | -17.0% |
| Service Fees | | 8.2% | 1.5% | 3.3% | 15.6% | 2.9% | 2.6% | 0.5% |
| Total management Fees | | 4.8% | -1.7% | -1.5% | 12.6% | 1.5% | 1.8% | 0.9% |
| Other Revenue | | -23.7% | -50.8% | -25.6% | -30.5% | -38.5% | -40.3% | -5.9% |
| U.S. | | 4.5% | -1.8% | -0.5% | 12.4% | | | |
| International | | -10.3% | -19.1% | -26.0% | -13.8% | | | |
| Management Fees: Equity | | 5.6% | 0.0% | 0.4% | | | | |
| Distribution And Underwriter Fees: Distribution Fees | | -2.3% | -7.4% | -5.9% | | | | |
| Management Fees: Alternative | | -2.4% | -22.3% | -14.5% | | | | |