| In millions, except per share items | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: | | | | | | | | |
| Investment banking: | | | | | | | | |
| Capital raising | 43.1 | 61.5 | 103.9 | 186.5 | 84.1 | 42.9 | 98.8 | 121.0 |
| Advisory | 7.5 | 9.6 | 11.4 | 9.7 | 6.5 | 15.3 | 19.5 | |
| Institutional brokerage | 39.2 | 45.4 | 56.2 | 53.7 | 52.5 | 78.5 | | |
| Net investment income (loss) | -0.6 | 5.4 | 17.8 | 6.9 | | | | |
| Interest | 30.0 | 31.8 | 13.1 | 1.8 | 2.8 | | | |
| Dividends and other | 0.5 | 1.7 | 1.0 | 1.2 | 0.7 | | | |
| Total revenues | 98.3 | 120.4 | 182.1 | 259.8 | 151.5 | 132.2 | 232.4 | 292.2 |
| Total revenues growth | -18.3% | -33.9% | -29.9% | 71.5% | 14.6% | -43.1% | -20.5% | 60.6% |
| Interest expense | 21.4 | 35.0 | 21.2 | | | | | 0.3 |
| Revenues, net of interest expense | 98.3 | 120.4 | 182.1 | 259.8 | 151.5 | 132.2 | 232.4 | 292.2 |
| Revenues, net of interest expense growth | -18.3% | -33.9% | -29.9% | 71.5% | 14.6% | -43.1% | -20.5% | 60.6% |
| Non-interest expenses: | | | | | | | | |
| Compensation and benefits | 73.3 | 77.5 | 103.8 | 144.7 | 82.7 | 99.8 | 175.0 | 193.0 |
| Professional services | 9.8 | 13.3 | 13.3 | 12.3 | 12.8 | 11.6 | 18.1 | 24.0 |
| Occupancy and equipment | 12.3 | 12.7 | 13.5 | 12.3 | 15.8 | 19.0 | 24.8 | 33.7 |
| Communications | 9.1 | 10.9 | 11.5 | 11.1 | 12.6 | 16.4 | 19.4 | 21.3 |
| Business development | 8.4 | 9.8 | 11.7 | 9.6 | 9.4 | 10.8 | 14.0 | 13.8 |
| Clearing and brokerage fees | 5.2 | 5.3 | 4.8 | 4.9 | 7.5 | 11.9 | 13.1 | 13.9 |
| Other operating expenses | 6.7 | 6.7 | 6.3 | 7.6 | 6.9 | 8.1 | 9.6 | 16.2 |
| Total non-interest expenses | 126.1 | 136.2 | 164.8 | 202.6 | 147.6 | 183.6 | 274.0 | 321.2 |
| Income (loss) before income taxes | -27.8 | -15.8 | 17.4 | 57.3 | | | | |
| Income tax provision (benefit) | 38.3 | -8.3 | 0.3 | -27.5 | -1.1 | -0.2 | -4.1 | -1.3 |
| Net income (loss) | -66.0 | -7.5 | 17.0 | 92.9 | 29.7 | -49.6 | -37.6 | -27.7 |
| |
| Income (loss) per share: | | | | | | | | |
| Basic income (loss) per share | ($8.89) | ($0.92) | $1.66 | $7.77 | $2.24 | ($3.26) | ($0.59) | ($0.46) |
| Diluted income (loss) per share | ($8.89) | ($0.92) | $1.48 | $7.17 | $2.15 | ($3.26) | ($0.59) | ($0.46) |
| |
| Basic weighted average shares outstanding (in thousands) | 7.4 | 8.1 | 10.3 | 12.0 | 13.3 | 15.2 | 63.5 | 60.1 |
| Diluted weighted average shares outstanding (in thousands) | 7.4 | 8.1 | 11.5 | 13.0 | 13.8 | 15.2 | 63.5 | 60.1 |
| |
| Cash dividends declared per common share | $0.80 | $0.40 | | | | | | |