| Fiscal period | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
|---|
| Period End Date | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 | 12/31/2011 |
|---|
| Fee based services | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Revenue | -- | -- | -- | -- | -- | 5,965.70 | 5,429.60 | 4,461.59 | 3,932.83 | 3,584.54 |
| Revenue before reimbursements | 8,900.10 | 10,030.60 | 9,089.50 | 7,967.40 | 6,910.60 | -- | -- | -- | -- | -- |
| Other Revenue | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in earnings from unconsolidated ventures | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of business | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Reimbursements | 7,689.80 | 7,952.60 | 7,228.90 | 6,485.80 | 6,080.60 | -- | -- | -- | -- | -- |
| Total Revenue | 16,589.90 | 17,983.20 | 16,318.40 | 14,453.20 | 12,991.20 | 5,965.70 | 5,429.60 | 4,461.59 | 3,932.83 | 3,584.54 |
| Compensation and benefits | 5,268.80 | 5,812.70 | 5,206.80 | 4,622.40 | 4,040.50 | 3,564.60 | 3,258.70 | 2,817.06 | 2,546.97 | 2,330.52 |
| Reimbursed expenses | 7,689.80 | 7,952.60 | 7,228.90 | 6,485.80 | 6,080.60 | -- | -- | -- | -- | -- |
| Depreciation and amortization | 226.40 | 202.40 | 186.10 | 167.20 | 141.80 | 108.10 | 94.40 | 79.85 | 78.81 | 82.83 |
| Operating, administrative and other | 2,703.40 | 3,115.70 | 2,950.90 | 2,601.20 | 2,204.10 | 1,729.10 | 1,568.40 | 1,177.55 | 972.23 | 863.86 |
| Restructuring charges (credits), net | 142.40 | 184.40 | 38.80 | 30.70 | 68.50 | 34.10 | 42.50 | 18.32 | 45.42 | 56.13 |
| Restructuring charges: Compensation and benefits | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Restructuring charges:Operating, administrative and other | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total operating expenses | 16,030.80 | 17,267.80 | 15,611.50 | 13,907.30 | 12,535.50 | 5,435.90 | 4,964.00 | 4,092.77 | 3,643.43 | 3,333.34 |
| Operating Income (Loss) | 559.10 | 715.40 | 706.90 | 545.90 | 455.70 | 529.80 | 465.60 | 368.82 | 289.40 | 251.21 |
| Interest expense, net of interest income | 52.80 | 56.40 | 51.10 | 56.20 | 45.30 | 28.10 | 28.30 | 34.72 | 35.17 | 35.59 |
| Gain on sale of investments | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in earnings from unconsolidated ventures | 8.00 | 36.30 | 32.80 | 44.40 | 33.80 | 77.40 | 48.30 | 31.34 | 23.86 | 6.39 |
| Other income | 15.30 | 2.30 | 17.40 | 1.70 | 19.50 | -- | -- | -- | -- | -- |
| Gain (Loss) on extinguishment of Senior Notes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income before provision for income taxes | 529.60 | 697.60 | 706.00 | 535.80 | 463.70 | 579.10 | 485.60 | 365.44 | 278.09 | 222.00 |
| Provision for Income Taxes - Total | 106.90 | 159.70 | 214.30 | 256.30 | 117.80 | 132.80 | 97.60 | 92.09 | 69.24 | 56.39 |
| State and local: Current | -- | -- | -- | 5.40 | 8.20 | 5.30 | 6.50 | -- | -- | 0.64 |
| State and local: Deferred | -- | -- | -- | (5.00) | (0.90) | -- | 0.30 | -- | -- | 5.38 |
| U.S. Federal: Current | -- | -- | -- | 12.20 | 1.30 | 30.30 | 11.10 | -- | -- | 2.70 |
| U.S. Federal: Deferred | -- | -- | -- | (23.70) | (5.40) | -- | 30.30 | -- | -- | 22.60 |
| International: Current | -- | -- | -- | 141.20 | 105.40 | 81.90 | 66.30 | -- | -- | 64.55 |
| International: Deferred | -- | -- | -- | (15.10) | 9.20 | (4.40) | (16.90) | -- | -- | (39.49) |
| Minority interest in income (losses) of subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income before cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Extraordinary gain on the acquisition of minority interest, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net (Loss)Income before Preferred Dividend & Noncontrolling Interest | 422.70 | 537.90 | 491.70 | 279.50 | 345.90 | 446.30 | 388.00 | 273.35 | 208.84 | 165.61 |
| Net income (loss) attributable to noncontrolling interest | 20.20 | 2.60 | 7.20 | 3.10 | 16.20 | 7.60 | 2.00 | 3.49 | 0.79 | 1.23 |
| Dividends on unvested common stock, net of tax | -- | 0.90 | 0.40 | 0.40 | 0.40 | 0.30 | 0.30 | 0.41 | 0.49 | 0.39 |
| Net income (loss) available to common shareholders | 402.50 | 534.40 | 484.10 | 276.00 | 329.30 | 438.40 | 385.70 | 269.46 | 207.56 | 164.00 |
| EPS (BASIC): Basic earnings per common share before cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3.81 |
| EPS (BASIC): Extraordinary gain on the acquisition of minority interest, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (BASIC): Dividends on unvested common stock, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | (0.01) |
| EPS (BASIC): Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | 7.79 | 10.98 | 10.64 | 6.09 | 7.29 | 9.75 | 8.63 | 6.09 | 4.73 | 3.80 |
| EPS (DILUTED): Diluted earnings per common share before cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3.71 |
| EPS (BASIC): Extraordinary gain on the acquisition of minority interest, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (DILUTED): Dividends on unvested common stock, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | (0.01) |
| EPS (DILUTED): Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | 7.70 | 10.87 | 10.54 | 6.03 | 7.23 | 9.65 | 8.52 | 5.98 | 4.63 | 3.70 |
| Weighted Average Shares Outstanding (Basic) | 51.68 | 48.65 | 45.52 | 45.32 | 45.15 | 44.94 | 44.68 | 44.26 | 43.85 | 43.17 |
| Weighted Average Shares Outstanding (Diluted) | 52.28 | 49.15 | 45.93 | 45.76 | 45.53 | 45.42 | 45.26 | 45.07 | 44.80 | 44.37 |