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v3.24.0.1

Segment Information - Summarized Financial Information Reportable Segments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Total revenues | $ 4,257.1 | $ 3,573.4 | $ 3,051.4
Investment income | 52.4 | 6.5 | 1.1
Amortization | 166.0 | 146.6 | 119.6
Depreciation | 40.0 | 39.2 | 33.3
Interest expense | 190.0 | 141.2 | 65.0
Income before income taxes | 1,146.1 | 876.1 | 762.8
Total assets | 14,883.4 | 13,973.5 | 9,795.4
Capital expenditures | 68.9 | 52.6 | 45.0
Capital expenditures | 68.9 | 52.6 | 45.0
Operating Segments | Retail |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 2,440.0 | 2,084.3 | 1,767.9
Investment income | 1.3 | 0.1 | 0.3
Amortization | 108.5 | 96.7 | 77.8
Depreciation | 18.0 | 12.8 | 11.2
Interest expense | 83.4 | 94.3 | 91.4
Income before income taxes | 528.4 | 466.7 | 334.4
Total assets | 8,303.9 | 7,458.6 | 5,040.7
Capital expenditures | 45.5 | 18.6 | 8.1
Operating Segments | National Programs |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 1,077.3 | 859.5 | 701.9
Investment income | 12.1 | 1.3 | 0.6
Amortization | 41.2 | 35.4 | 27.4
Depreciation | 11.8 | 15.3 | 9.8
Interest expense | 35.6 | 33.0 | 11.4
Income before income taxes | 405.5 | 271.1 | 242.3
Total assets | 4,333.5 | 4,467.8 | 2,943.0
Capital expenditures | 16.5 | 20.2 | 13.5
Operating Segments | Wholesale Brokerage |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 540.7 | 453.4 | 403.4
Investment income | 1.5 | 0.3 | 0.2
Amortization | 11.2 | 9.4 | 9.1
Depreciation | 2.6 | 2.7 | 2.6
Interest expense | 11.9 | 12.9 | 16.0
Income before income taxes | 125.8 | 117.7 | 94.8
Total assets | 1,558.9 | 1,401.6 | 1,154.4
Capital expenditures | 3.0 | 2.8 | 1.6
Operating Segments | Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 163.1 | 171.9 | 178.9
Investment income | 0.0 | 0.0 | 0.0
Amortization | 5.1 | 5.1 | 5.3
Depreciation | 1.4 | 1.6 | 1.5
Interest expense | 1.3 | 2.1 | 2.9
Income before income taxes | 153.8 | 24.1 | 28.3
Total assets | 209.0 | 295.0 | 299.2
Capital expenditures | 1.1 | 1.0 | 1.6
Segment Reconciling Items |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 36.0 | 4.3 | (0.7)
Investment income | 37.5 | 4.8 | 0.0
Amortization | 0.0 |  |
Depreciation | 6.2 | 6.8 | 8.2
Interest expense | (57.8) | (1.1) | (56.7)
Income before income taxes | (67.4) | (3.5) | 63.0
Total assets | 478.1 | 350.5 | 358.1
Capital expenditures | $ 2.8 | $ 10.0 | $ 20.2

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