| In millions, except per share items | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues |
| Independent Advisory and Brokerage Services | 502.7 | 2.6 | 1,140.4 | 1,003.3 | 1,035.4 | | | |
| Insurance Brokerage | 186.2 | 147.1 | 57.1 | 50.5 | 49.6 | 26.2 | | |
| Ladenburg | 9.4 | 7.2 | 66.7 | 49.4 | 61.8 | 73.3 | 69.6 | 45.7 |
| Corporate | 3.2 | 2.9 | 4.0 | 3.8 | 5.3 | 5.2 | 0.3 | 5.6 |
| Independent Brokerage and Advisory Services | | | | | | 816.6 | 723.2 | 598.9 |
| |
| EBITDA |
| Independent Advisory and Brokerage Services | 85.9 | 86.1 | 42.5 | 38.3 | 30.6 | | | |
| Insurance Brokerage | 6.9 | 3.6 | 2.2 | 1.8 | 0.9 | 2.2 | | |
| Ladenburg | 11.0 | 12.0 | 6.9 | -3.0 | 3.8 | 15.6 | 12.6 | 1.0 |
| Corporate | -28.3 | -19.7 | -18.8 | -16.8 | -14.8 | -13.3 | -11.3 | -4.1 |
| Independent Brokerage and Advisory Services | | | | | | 31.0 | 31.9 | 28.9 |
| |
| EBIT |
| Independent Advisory and Brokerage Services | 66.0 | 63.7 | 21.0 | 17.9 | 11.3 | | | |
| Insurance Brokerage | 5.0 | 2.5 | -4.7 | -5.4 | -6.0 | -0.5 | | |
| Ladenburg | 10.5 | 11.5 | 6.3 | -3.7 | 3.1 | 14.9 | 11.8 | 0.1 |
| Corporate | -28.4 | -19.7 | -18.8 | -16.9 | -14.9 | -13.4 | -11.3 | -4.2 |
| Independent Brokerage and Advisory Services | | | | | | 16.0 | 17.4 | 13.7 |
| |
| Mix |
| Independent Advisory and Brokerage Services | 34.2% | 0.2% | 89.9% | 90.6% | 89.9% | | | |
| Insurance Brokerage | 12.7% | 10.6% | 4.5% | 4.6% | 4.3% | 2.8% | | |
| Ladenburg | 0.6% | 0.5% | 5.3% | 4.5% | 5.4% | 8.0% | 8.8% | 7.0% |
| Corporate | 0.2% | 0.2% | 0.3% | 0.3% | 0.5% | 0.6% | 0.0% | 0.9% |
| Independent Brokerage and Advisory Services | | | | | | 88.6% | 91.2% | 92.1% |
| |
| Growth |
| Independent Advisory and Brokerage Services | 19490.8% | -99.8% | 13.7% | -3.1% | | | | |
| Insurance Brokerage | 26.6% | 157.5% | 13.2% | 1.8% | 89.5% | | | |
| Ladenburg | 31.2% | -89.2% | 34.9% | -20.1% | -15.6% | 5.3% | 52.3% | 10.2% |
| Corporate | 12.2% | -27.0% | 5.2% | -29.5% | 2.5% | 1851.3% | -95.2% | 346.9% |
| Independent Brokerage and Advisory Services | | | | | | 12.9% | 20.8% | 159.4% |