Segment Information - Schedule of Segment Reporting Information by Segment (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
|
Mar. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
|
Dec. 31, 2010
|
|
Segment Reporting Information [Line Items] | |||||||||||
Commissions | $ 1,302.5 | $ 1,127.4 | $ 957.3 | ||||||||
Fees | 971.7 | 870.2 | 735.0 | ||||||||
Supplemental commissions | 67.9 | 56.0 | 60.8 | ||||||||
Contingent commissions | 42.9 | 38.1 | 36.8 | ||||||||
Investment income | 10.4 | 8.1 | 6.9 | ||||||||
Gains on books of business sales and other | 3.9 | 5.5 | 5.9 | ||||||||
Revenue from clean coal activities | 119.6 | 29.2 | 65.6 | ||||||||
Other - net gain | 1.4 | 0.2 | (4.1) | ||||||||
Total revenues | 673.2 | 650.4 | 649.9 | 546.8 | 578.4 | 562.8 | 546.1 | 447.4 | 2,520.3 | 2,134.7 | 1,864.2 |
Compensation | 1,493.4 | 1,326.1 | 1,117.5 | ||||||||
Operating | 483.2 | 419.0 | 354.6 | ||||||||
Cost of revenues from clean coal activities | 111.6 | 32.0 | 64.0 | ||||||||
Interest | 43.0 | 40.8 | 34.6 | ||||||||
Depreciation | 41.4 | 35.9 | 32.3 | ||||||||
Amortization | 99.0 | 79.3 | 60.8 | ||||||||
Change in estimated acquisition earnout payables | 3.4 | (6.2) | (2.6) | ||||||||
Total expenses | 627.8 | 574.1 | 558.8 | 514.3 | 531.0 | 491.8 | 480.2 | 423.9 | 2,275.0 | 1,926.9 | 1,661.2 |
Earnings (loss) from continuing operations before income taxes | 245.3 | 207.8 | 203.0 | ||||||||
Provision (benefit) for income taxes | 50.3 | 63.7 | 39.7 | ||||||||
Earnings (loss) from continuing operations | 33.5 | 61.7 | 71.7 | 28.1 | 40.5 | 46.7 | 41.7 | 15.2 | 195.0 | 144.1 | 163.3 |
Net foreign exchange gain (loss) | (1.9) | (0.2) | (0.8) | ||||||||
Total revenues | 673.2 | 650.4 | 649.9 | 546.8 | 578.4 | 562.8 | 546.1 | 447.4 | 2,520.3 | 2,134.7 | 1,864.2 |
Total assets | 5,352.3 | 4,483.5 | 5,352.3 | 4,483.5 | 3,596.0 | ||||||
Goodwill - net | 1,472.7 | 1,155.3 | 1,472.7 | 1,155.3 | 883.7 | ||||||
Amortizable intangible assets - net | 809.6 | 561.5 | 809.6 | 561.5 | 483.5 | ||||||
United States [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 2,006.1 | 1,725.1 | 1,613.5 | ||||||||
Total revenues | 2,006.1 | 1,725.1 | 1,613.5 | ||||||||
Total assets | 3,675.9 | 3,202.5 | 3,675.9 | 3,202.5 | 2,895.5 | ||||||
Goodwill - net | 1,177.3 | 969.5 | 1,177.3 | 969.5 | |||||||
Foreign, principally Australia, Canada and the U.K. [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 514.2 | 409.6 | 250.7 | ||||||||
Total revenues | 514.2 | 409.6 | 250.7 | ||||||||
Total assets | 1,676.4 | 1,281.0 | 1,676.4 | 1,281.0 | 700.5 | ||||||
Goodwill - net | 295.4 | 185.8 | 295.4 | 185.8 | |||||||
Brokerage [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Commissions | 1,302.5 | 1,127.4 | 957.3 | ||||||||
Fees | 403.2 | 324.1 | 274.9 | ||||||||
Supplemental commissions | 67.9 | 56.0 | 60.8 | ||||||||
Contingent commissions | 42.9 | 38.1 | 36.8 | ||||||||
Investment income | 7.2 | 5.4 | 4.9 | ||||||||
Gains on books of business sales and other | 3.9 | 5.5 | 5.9 | ||||||||
Total revenues | 1,827.6 | 1,556.5 | 1,340.6 | ||||||||
Compensation | 1,131.6 | 968.4 | 817.1 | ||||||||
Operating | 312.7 | 267.3 | 223.6 | ||||||||
Depreciation | 24.7 | 21.2 | 19.5 | ||||||||
Amortization | 96.2 | 77.0 | 59.8 | ||||||||
Change in estimated acquisition earnout payables | 3.6 | (6.2) | (2.6) | ||||||||
Total expenses | 1,568.8 | 1,327.7 | 1,117.4 | ||||||||
Earnings (loss) from continuing operations before income taxes | 258.8 | 228.8 | 223.2 | ||||||||
Provision (benefit) for income taxes | 103.0 | 88.6 | 87.7 | ||||||||
Earnings (loss) from continuing operations | 155.8 | 140.2 | 135.5 | ||||||||
Net foreign exchange gain (loss) | (1.6) | (0.9) | |||||||||
Total revenues | 1,827.6 | 1,556.5 | 1,340.6 | ||||||||
Total assets | 4,196.8 | 3,346.6 | 4,196.8 | 3,346.6 | 2,560.7 | ||||||
Goodwill - net | 1,451.4 | 1,136.6 | 1,451.4 | 1,136.6 | 866.6 | ||||||
Amortizable intangible assets - net | 791.6 | 542.3 | 791.6 | 542.3 | 461.9 | ||||||
Brokerage [Member] | United States [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 1,431.6 | 1,266.2 | 1,169.6 | ||||||||
Total revenues | 1,431.6 | 1,266.2 | 1,169.6 | ||||||||
Total assets | 2,637.1 | 2,215.3 | 2,637.1 | 2,215.3 | 1,995.8 | ||||||
Goodwill - net | 1,158.1 | 951.0 | 1,158.1 | 951.0 | |||||||
Brokerage [Member] | Foreign, principally Australia, Canada and the U.K. [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 396.0 | 290.3 | 171.0 | ||||||||
Total revenues | 396.0 | 290.3 | 171.0 | ||||||||
Total assets | 1,559.7 | 1,131.3 | 1,559.7 | 1,131.3 | 564.9 | ||||||
Goodwill - net | 293.3 | 185.6 | 293.3 | 185.6 | |||||||
Risk Management [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Fees | 568.5 | 546.1 | 460.1 | ||||||||
Investment income | 3.2 | 2.7 | 2.0 | ||||||||
Total revenues | 571.7 | 548.8 | 462.1 | ||||||||
Compensation | 347.0 | 344.1 | 288.0 | ||||||||
Operating | 137.7 | 135.8 | 109.1 | ||||||||
Depreciation | 16.0 | 14.2 | 12.4 | ||||||||
Amortization | 2.8 | 2.3 | 1.0 | ||||||||
Change in estimated acquisition earnout payables | (0.2) | ||||||||||
Total expenses | 503.3 | 496.4 | 410.5 | ||||||||
Earnings (loss) from continuing operations before income taxes | 68.4 | 52.4 | 51.6 | ||||||||
Provision (benefit) for income taxes | 25.9 | 19.1 | 20.3 | ||||||||
Earnings (loss) from continuing operations | 42.5 | 33.3 | 31.3 | ||||||||
Net foreign exchange gain (loss) | (0.1) | 0.1 | |||||||||
Total revenues | 571.7 | 548.8 | 462.1 | ||||||||
Total assets | 498.6 | 529.1 | 498.6 | 529.1 | 521.3 | ||||||
Goodwill - net | 21.3 | 18.7 | 21.3 | 18.7 | 17.1 | ||||||
Amortizable intangible assets - net | 18.0 | 19.2 | 18.0 | 19.2 | 21.6 | ||||||
Risk Management [Member] | United States [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 453.5 | 429.5 | 382.0 | ||||||||
Total revenues | 453.5 | 429.5 | 382.0 | ||||||||
Total assets | 390.9 | 384.5 | 390.9 | 384.5 | 388.6 | ||||||
Goodwill - net | 19.2 | 18.5 | 19.2 | 18.5 | |||||||
Risk Management [Member] | Foreign, principally Australia, Canada and the U.K. [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 118.2 | 119.3 | 80.1 | ||||||||
Total revenues | 118.2 | 119.3 | 80.1 | ||||||||
Total assets | 107.7 | 144.6 | 107.7 | 144.6 | 132.7 | ||||||
Goodwill - net | 2.1 | 0.2 | 2.1 | 0.2 | |||||||
Corporate [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Revenue from clean coal activities | 119.6 | 29.2 | 65.6 | ||||||||
Other - net gain | 1.4 | 0.2 | (4.1) | ||||||||
Total revenues | 121.0 | 29.4 | 61.5 | ||||||||
Compensation | 14.8 | 13.6 | 12.4 | ||||||||
Operating | 32.8 | 15.9 | 21.9 | ||||||||
Cost of revenues from clean coal activities | 111.6 | 32.0 | 64.0 | ||||||||
Interest | 43.0 | 40.8 | 34.6 | ||||||||
Depreciation | 0.7 | 0.5 | 0.4 | ||||||||
Total expenses | 202.9 | 102.8 | 133.3 | ||||||||
Earnings (loss) from continuing operations before income taxes | (81.9) | (73.4) | (71.8) | ||||||||
Provision (benefit) for income taxes | (78.6) | (44.0) | (68.3) | ||||||||
Earnings (loss) from continuing operations | (3.3) | (29.4) | (3.5) | ||||||||
Net foreign exchange gain (loss) | (0.2) | (0.2) | |||||||||
Total revenues | 121.0 | 29.4 | 61.5 | ||||||||
Total assets | 656.9 | 607.8 | 656.9 | 607.8 | 514.0 | ||||||
Goodwill - net | 0 | 0 | 0 | 0 | |||||||
Corporate [Member] | United States [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 121.0 | 29.4 | 61.9 | ||||||||
Total revenues | 121.0 | 29.4 | 61.9 | ||||||||
Total assets | 647.9 | 602.7 | 647.9 | 602.7 | 511.1 | ||||||
Goodwill - net | 0 | 0 | 0 | 0 | |||||||
Corporate [Member] | Foreign, principally Australia, Canada and the U.K. [Member]
|
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Segment Reporting Information [Line Items] | |||||||||||
Total revenues | (0.4) | ||||||||||
Total revenues | (0.4) | ||||||||||
Total assets | 9.0 | 5.1 | 9.0 | 5.1 | 2.9 | ||||||
Goodwill - net | $ 0 | $ 0 | $ 0 | $ 0 |