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v3.22.2.2

Revenues - Schedule of Disaggregated by Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Disaggregation Of Revenue [Line Items] |  |  |  |
Investment Income, Nonoperating | $ 1.2 | $ 0.4 | $ 1.8 | $ 0.9
Other income, net | 1.2 | 0.2 | 2.0 | 2.4
Total revenues | 927.6 | 770.3 | 2,672.0 | 2,312.9
Base Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 630.1 | 509.2 | 1,775.9 | 1,521.4
Fee Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 246.1 | 220.9 | 686.8 | 618.4
Other Supplemental Commissions Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 29.6 | 22.0 | 128.9 | 106.6
Profit-Sharing Contingent Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 7.8 | 17.6 | 58.5 | 63.2
Earned premium |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 11.6 | 0.0 | 18.1 | 0.0
Operating Segments | Retail |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Investment Income, Nonoperating | 0.0 | 0.2 | 0.0 | 0.3
Other income, net | 1.1 | 0.1 | 1.6 | 0.9
Total revenues | 528.2 | 423.4 | 1,582.3 | 1,347.4
Operating Segments | Retail | Base Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 360.6 | 284.6 | 1,055.7 | 905.5
Operating Segments | Retail | Fee Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 130.6 | 109.9 | 369.4 | 307.3
Operating Segments | Retail | Other Supplemental Commissions Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 25.0 | 19.9 | 117.3 | 100.6
Operating Segments | Retail | Profit-Sharing Contingent Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 10.9 | 8.7 | 38.3 | 32.8
Operating Segments | Retail | Earned premium |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | National Programs |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Investment Income, Nonoperating | 0.3 | 0.1 | 0.6 | 0.4
Other income, net | 0.0 | 0.1 | 0.1 | 0.2
Total revenues | 231.4 | 191.1 | 619.3 | 522.3
Operating Segments | National Programs | Base Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 165.8 | 133.6 | 443.2 | 369.7
Operating Segments | National Programs | Fee Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 56.2 | 49.9 | 137.6 | 125.3
Operating Segments | National Programs | Other Supplemental Commissions Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 3.7 | 0.9 | 7.7 | 2.8
Operating Segments | National Programs | Profit-Sharing Contingent Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | (6.2) | 6.5 | 12.0 | 23.9
Operating Segments | National Programs | Earned premium |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 11.6 | 0.0 | 18.1 | 0.0
Operating Segments | Wholesale Brokerage |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Investment Income, Nonoperating | 0.1 | 0.0 | 0.2 | 0.1
Other income, net | 0.1 | 0.0 | 0.2 | 0.3
Total revenues | 126.3 | 112.5 | 341.6 | 307.9
Operating Segments | Wholesale Brokerage | Base Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 103.7 | 91.0 | 277.1 | 246.2
Operating Segments | Wholesale Brokerage | Fee Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 18.4 | 17.9 | 52.0 | 51.6
Operating Segments | Wholesale Brokerage | Other Supplemental Commissions Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.9 | 1.2 | 3.9 | 3.2
Operating Segments | Wholesale Brokerage | Profit-Sharing Contingent Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 3.1 | 2.4 | 8.2 | 6.5
Operating Segments | Wholesale Brokerage | Earned premium |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | Services |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Investment Income, Nonoperating | 0.0 | 0.0 | 0.0 | 0.0
Other income, net | 0.0 | 0.0 | 0.0 | 0.0
Total revenues | 41.1 | 43.7 | 128.8 | 135.6
Operating Segments | Services | Base Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | Services | Fee Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 41.1 | 43.7 | 128.8 | 135.6
Operating Segments | Services | Other Supplemental Commissions Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | Services | Profit-Sharing Contingent Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Operating Segments | Services | Earned premium |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Corporate, Non-Segment |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Investment Income, Nonoperating | 0.8 | 0.1 | 1.0 | 0.1
Other income, net | 0.0 | 0.0 | 0.1 | 1.0
Total revenues | 0.6 | (0.4) | 0.0 | (0.3)
Corporate, Non-Segment | Base Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | (0.1) | 0.0
Corporate, Non-Segment | Fee Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | (0.2) | (0.5) | (1.0) | (1.4)
Corporate, Non-Segment | Other Supplemental Commissions Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Corporate, Non-Segment | Profit-Sharing Contingent Commission Revenue |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | 0.0 | 0.0 | 0.0 | 0.0
Corporate, Non-Segment | Earned premium |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Fees and Commissions, Other | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0

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