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Business Combinations (Tables) | 6 Months Ended
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Jun. 30, 2023
Business Combinations [Abstract] |
Acquisition Method for Recording Business Combinations | During the six-month period ended June 30, 2023, we acquired substantially all of the ownership interest or net assets, as applicable, of the following firms in exchange for our common stock and/or cash. These acquisitions have been accounted for using the acquisition method for recording business combinations (in millions, except share data):
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |  |  | Maximum |
|  | Common |  |  | Common |  |  |  |  |  |  |  |  |  |  |  | Recorded |  |  | Recorded |  |  | Potential |
Name and Effective |  | Shares |  |  | Share |  |  |  |  |  | Accrued |  |  | Escrow |  |  | Earnout |  |  | Purchase |  |  | Earnout |
Date of Acquisition |  | Issued |  |  | Value |  |  | Cash Paid |  |  | Liability |  |  | Deposited |  |  | Payable |  |  | Price |  |  | Payable |
|  | (000s) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Ireland Risk Management Ltd. January 1, 2023 (FIR) |  |  | — |  |  | $ | — |  |  | $ | 86.4 |  |  | $ | — |  |  | $ | 5.3 |  |  | $ | 5.9 |  |  | $ | 97.6 |  |  | $ | 6.6 |
BCHR Holdings, L.P. dba Buck April 1, 2023 (BCHR) |  |  | — |  |  |  | — |  |  |  | 600.8 |  |  |  | 24.7 |  |  |  | 19.5 |  |  |  | — |  |  |  | 645.0 |  |  |  | — |
Boley-Featherston-Huffman & Deal Co. April 1, 2023 (BFH) |  |  | 243 |  |  |  | 45.2 |  |  |  | 8.8 |  |  |  | — |  |  |  | 6.0 |  |  |  | 7.9 |  |  |  | 67.9 |  |  |  | 15.0 |
Tay River Holdings Limited April 1, 2023 (TRH) |  |  | — |  |  |  | — |  |  |  | 40.3 |  |  |  | 4.3 |  |  |  | 2.4 |  |  |  | 32.4 |  |  |  | 79.4 |  |  |  | 88.7 |
Insurance by Ken Brown May 1, 2023 (IKB) |  |  | 273 |  |  |  | 53.9 |  |  |  | 1.8 |  |  |  | — |  |  |  | 2.9 |  |  |  | 13.6 |  |  |  | 72.2 |  |  |  | 17.5 |
RHP General Agency May 1, 2023 (RHP) |  |  | 335 |  |  |  | 65.7 |  |  |  | 1.3 |  |  |  | — |  |  |  | 5.0 |  |  |  | 3.3 |  |  |  | 75.3 |  |  |  | 11.0 |
Nineteen other acquisitions completed in 2023 |  |  | 14 |  |  |  | — |  |  |  | 311.8 |  |  |  | 5.7 |  |  |  | 12.3 |  |  |  | 61.7 |  |  |  | 391.5 |  |  |  | 96.2 |
|  |  | 865 |  |  | $ | 164.8 |  |  | $ | 1,051.2 |  |  | $ | 34.7 |  |  | $ | 53.4 |  |  | $ | 124.8 |  |  | $ | 1,428.9 |  |  | $ | 235.0 |
Summary of Estimated Fair Values of Net Assets Acquired | The following is a summary of the estimated fair values of the net assets acquired at the date of each acquisition made in the six-month period ended June 30, 2023 (in millions):
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Nineteen Other |  |  |  |
|  | FIR |  |  | BCHR |  |  | BFH |  |  | TRH |  |  | IKB |  |  | RHP |  |  | Acquisitions |  |  | Total |
Cash and cash equivalents |  | $ | 13.0 |  |  | $ | 25.8 |  |  | $ | 0.6 |  |  | $ | 5.3 |  |  | $ | 2.0 |  |  | $ | — |  |  | $ | 6.7 |  |  | $ | 53.4 |
Fiduciary assets |  |  | 13.8 |  |  |  | — |  |  |  | 3.7 |  |  |  | — |  |  |  | 0.5 |  |  |  | 3.0 |  |  |  | 15.5 |  |  |  | 36.5 |
Other current assets |  |  | 1.5 |  |  |  | 60.9 |  |  |  | 1.4 |  |  |  | 8.3 |  |  |  | 2.6 |  |  |  | 1.5 |  |  |  | 5.7 |  |  |  | 81.9 |
Fixed assets |  |  | 0.8 |  |  |  | 36.7 |  |  |  | — |  |  |  | — |  |  |  | 0.1 |  |  |  | — |  |  |  | 0.2 |  |  |  | 37.8 |
Noncurrent assets |  |  | 8.6 |  |  |  | 53.2 |  |  |  | 0.2 |  |  |  | 0.3 |  |  |  | 0.5 |  |  |  | 0.3 |  |  |  | 10.1 |  |  |  | 73.2 |
Goodwill |  |  | 58.8 |  |  |  | 419.3 |  |  |  | 38.5 |  |  |  | 50.0 |  |  |  | 46.4 |  |  |  | 49.6 |  |  |  | 196.1 |  |  |  | 858.7 |
Expiration lists |  |  | 27.5 |  |  |  | 203.3 |  |  |  | 37.4 |  |  |  | 22.0 |  |  |  | 30.4 |  |  |  | 34.0 |  |  |  | 195.3 |  |  |  | 549.9 |
Non-compete agreements |  |  | 4.3 |  |  |  | — |  |  |  | 0.4 |  |  |  | 2.2 |  |  |  | 0.2 |  |  |  | 0.2 |  |  |  | 4.1 |  |  |  | 11.4 |
Trade names |  |  | — |  |  |  | 2.6 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1.3 |  |  |  | 3.9 |
Total assets acquired |  |  | 128.3 |  |  |  | 801.8 |  |  |  | 82.2 |  |  |  | 88.1 |  |  |  | 82.7 |  |  |  | 88.6 |  |  |  | 435.0 |  |  |  | 1,706.7 |
Fiduciary liabilities |  |  | 13.8 |  |  |  | — |  |  |  | 3.7 |  |  |  | — |  |  |  | 0.5 |  |  |  | 3.0 |  |  |  | 15.5 |  |  |  | 36.5 |
Current liabilities |  |  | 3.9 |  |  |  | 53.0 |  |  |  | 0.6 |  |  |  | 2.6 |  |  |  | 1.7 |  |  |  | 1.2 |  |  |  | 5.4 |  |  |  | 68.4 |
Noncurrent liabilities |  |  | 13.0 |  |  |  | 103.8 |  |  |  | 10.0 |  |  |  | 6.1 |  |  |  | 8.3 |  |  |  | 9.1 |  |  |  | 22.6 |  |  |  | 172.9 |
Total liabilities assumed |  |  | 30.7 |  |  |  | 156.8 |  |  |  | 14.3 |  |  |  | 8.7 |  |  |  | 10.5 |  |  |  | 13.3 |  |  |  | 43.5 |  |  |  | 277.8 |
Total net assets acquired |  | $ | 97.6 |  |  | $ | 645.0 |  |  | $ | 67.9 |  |  | $ | 79.4 |  |  | $ | 72.2 |  |  | $ | 75.3 |  |  | $ | 391.5 |  |  | $ | 1,428.9 |
Summary of Unaudited Pro Forma Historical Results | The following is a summary of the unaudited pro forma historical results, as if these entities had been acquired at January 1, 2022 (in millions, except per share data):
| Three-month period ended |  |  | Six-month period ended |
| June 30, |  |  | June 30, |
| 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Total revenues | $ | 2,447.6 |  |  | $ | 2,146.3 |  |  | $ | 5,250.6 |  |  | $ | 4,686.8 |
Net earnings attributable to controlling interests |  | 234.8 |  |  |  | 283.4 |  |  |  | 724.3 |  |  |  | 726.1 |
Basic net earnings per share |  | 1.09 |  |  |  | 1.34 |  |  |  | 3.38 |  |  |  | 3.45 |
Diluted net earnings per share |  | 1.07 |  |  |  | 1.32 |  |  |  | 3.31 |  |  |  | 3.38 |

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