| In millions, except per share items | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | S-1/A | S-1/A |
| Revenues and other operating income: | | | | | | | | |
| Investment management fees | 123.1 | 277.2 | 334.0 | 305.3 | | | | |
| Net gains (losses) on funds held for deferred compensation | 1.3 | -1.1 | 1.1 | 2.0 | | | | |
| Foreign currency gains (losses) | -0.1 | -0.1 | 0.0 | 0.1 | 0.1 | -0.2 | | |
| Total revenues and other operating income | 124.3 | 276.0 | 335.1 | 307.4 | 422.0 | 445.7 | 300.4 | 201.3 |
| Total revenues and other operating income growth | -55.0% | -17.6% | 9.0% | -27.2% | -5.3% | 48.4% | 49.3% | 88.6% |
| Expenses: | | | | | | | | |
| Employee compensation and benefits | 94.9 | 105.2 | 99.0 | 476.7 | | | | |
| Shareholder servicing and marketing | 11.4 | 18.7 | 20.1 | 16.9 | | | | |
| General and administrative | 35.5 | 39.5 | 42.8 | 42.3 | 62.8 | 50.0 | 31.5 | |
| Total expenses | 141.8 | 163.3 | 161.9 | 535.9 | | | | |
| Operating income (loss) before income tax expense | -17.5 | 112.7 | 173.2 | -228.5 | | | | |
| Operating margin | -14.1% | 40.8% | 51.7% | -74.3% | | | | |
| |
| Non-operating income (loss): | | | | | | | | |
| The Consolidated Investment Products and other seed money investments: | | | | | | | | |
| Interest income, net | 4.3 | 3.2 | 0.3 | 0.5 | | | 3.0 | 1.7 |
| Net gains (losses) | 2.9 | -6.4 | 1.0 | -0.5 | | | | |
| Expenses | -0.8 | -0.4 | 0.0 | | | | | |
| Total | 4.3 | 3.2 | 0.3 | 0.5 | | | 3.0 | 1.7 |
| Interest income (expense), net | 6.3 | -3.6 | 1.3 | | | | | |
| Reduction in liability under tax receivable agreement | 141.6 | | | | | | | |
| Other income (expense) | 0.1 | -0.1 | 0.0 | 0.3 | 0.0 | -6.9 | 0.0 | |
| Total non-operating income (loss) | 148.0 | -5.7 | -1.3 | -1.4 | -3.2 | -7.0 | -3.3 | -1.4 |
| Income (loss) before income tax expense | 130.5 | 107.0 | 171.9 | -229.9 | 115.9 | 124.8 | 82.1 | 52.8 |
| Income taxes | 176.1 | 48.4 | 68.2 | 134.3 | 54.8 | 56.8 | | |
| Tax rate | 134.9% | 45.2% | 39.7% | | 47.2% | 45.5% | 0.0% | 0.0% |
| Net income (loss) | -45.6 | 58.6 | 103.7 | -364.2 | | | | |
| Net income attributable to non-controlling interests in Holdings | 0.2 | 2.1 | 20.1 | 14.1 | | | | |
| Net income (loss) attributable to non-controlling interests in the Consolidated Investment Products | 1.7 | -1.4 | 0.0 | | | | | |
| Net income (loss) attributable to Artio Global Investors | -47.5 | 57.9 | 83.6 | -378.3 | 61.2 | 68.0 | 44.8 | 26.1 |
| |
| Per share information: | | | | | | | | |
| Basic net income (loss) attributable to Artio Global Investors | ($0.80) | $0.99 | $1.58 | ($8.88) | $42,000.00 | $67,985.80 | $11,193.00 | $6,527.00 |
| Diluted net income (loss) attributable to Artio Global Investors | ($0.80) | $0.99 | $1.58 | ($8.88) | $42,000.00 | $42,000.00 | | |
| |
| Weighted average shares used to calculate per share information: | | | | | | | | |
| Basic | 59.3 | 58.2 | 52.8 | 42.6 | 0.0 | 0.0 | | |
| Diluted | 59.3 | 58.3 | 53.0 | 42.6 | 42.0 | 0.0 | 0.0 | 0.0 |
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