| In millions, except per share items | Mar-31-22 | Mar-31-21 | Mar-31-20 | Mar-31-19 | Mar-31-18 |
| | 10-K | 10-K | 10-K | 10-K | S-1 |
| Revenues |
| Fund reimbursement revenues | 1.7 | 0.2 | 0.7 | 0.8 | |
| Total incentive fees | -11.6 | -5.5 | -3.4 | -1.5 | |
| SMAs | 174.3 | 135.8 | 107.3 | 86.1 | |
| United States | 428.3 | 166.7 | 108.7 | 88.8 | |
| Non-U.S. countries | 937.2 | 621.0 | 337.9 | 167.4 | |
| Focused commingled funds | 148.7 | 97.2 | 79.4 | 59.0 | |
| Management and advisory fees, net | -380.3 | -285.5 | -235.2 | -190.8 | |
| Advisory and other services | 55.5 | 52.2 | 47.8 | 44.8 | |
| |
| Mix |
| Fund reimbursement revenues | 0.1% | 0.0% | 0.1% | 0.3% | |
| Total incentive fees | -0.8% | -0.7% | -0.8% | -0.6% | |
| SMAs | 12.8% | 17.2% | 24.0% | 33.6% | |
| United States | 31.4% | 21.2% | 24.3% | 34.7% | |
| Non-U.S. countries | 68.6% | 78.8% | 75.7% | 65.3% | |
| Focused commingled funds | 10.9% | 12.3% | 17.8% | 23.0% | |
| Management and advisory fees, net | -27.8% | -36.2% | -52.7% | -74.5% | |
| Advisory and other services | 4.1% | 6.6% | 10.7% | 17.5% | |
| |
| Growth |
| Fund reimbursement revenues | 610.5% | -64.4% | -19.3% | | |
| Total incentive fees | 111.8% | 60.5% | 121.4% | | |
| SMAs | 28.4% | 26.6% | 24.6% | | |
| United States | 156.9% | 53.4% | 22.3% | | |
| Non-U.S. countries | 50.9% | 83.8% | 101.8% | | |
| Focused commingled funds | 53.0% | 22.4% | 34.5% | | |
| Management and advisory fees, net | 33.2% | 21.4% | 23.3% | | |
| Advisory and other services | 6.3% | 9.1% | 6.7% | | |