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Business Combinations (Tables) | 3 Months Ended
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Mar. 31, 2017
Business Combinations [Abstract] |
Acquisition Method for Recording Business Combinations | During the three-month period ended March 31, 2017, we acquired substantially all of the net assets 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):
Name and Effective Date of Acquisition |  | Common Shares Issued |  |  | Common Share Value |  |  | Cash Paid |  |  | Accrued Liability |  |  | Escrow Deposited |  |  | Recorded Earnout Payable |  |  | Total Recorded Purchase Price |  |  | Maximum Potential Earnout Payable |
|  | (000s) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction Risk Solutions, LLC (CRS) January 1, 2017 |  |  | — |  |  | $ | — |  |  | $ | 27.9 |  |  | $ | — |  |  | $ | 3.1 |  |  | $ | 4.5 |  |  | $ | 35.5 |  |  | $ | 10.0 |
Hill, Chesson & Woody (HCW) January 1, 2017 |  |  | — |  |  |  | — |  |  |  | 34.8 |  |  |  | — |  |  |  | 0.7 |  |  |  | 15.6 |  |  |  | 51.1 |  |  |  | 24.4 |
Presidio Group, Inc. (PG) January 1, 2017 |  |  | — |  |  |  | — |  |  |  | 41.8 |  |  |  | — |  |  |  | 4.8 |  |  |  | 5.5 |  |  |  | 52.1 |  |  |  | 15.0 |
Nine other acquisitions completed in 2017 |  |  | 166 |  |  |  | 8.4 |  |  |  | 38.8 |  |  |  | — |  |  |  | 3.6 |  |  |  | 7.3 |  |  |  | 58.1 |  |  |  | 19.0 |
|  |  | 166 |  |  | $ | 8.4 |  |  | $ | 143.3 |  |  | $ | — |  |  | $ | 12.2 |  |  | $ | 32.9 |  |  | $ | 196.8 |  |  | $ | 68.4 |
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 three-month period ended March 31, 2017 (in millions):
|  | CRS |  |  | HCW |  |  | PG |  |  | Nine Other Acquisitions |  |  | Total |
Cash |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2.2 |  |  | $ | 2.2 |
Other current assets |  |  | 3.6 |  |  |  | 2.1 |  |  |  | 2.4 |  |  |  | 3.0 |  |  |  | 11.1 |
Fixed assets |  |  | — |  |  |  | — |  |  |  | 0.5 |  |  |  | 0.6 |  |  |  | 1.1 |
Noncurrent assets |  |  | — |  |  |  | 0.2 |  |  |  | — |  |  |  | — |  |  |  | 0.2 |
Goodwill |  |  | 12.3 |  |  |  | 26.2 |  |  |  | 25.0 |  |  |  | 28.4 |  |  |  | 91.9 |
Expiration lists |  |  | 22.7 |  |  |  | 22.3 |  |  |  | 26.8 |  |  |  | 33.3 |  |  |  | 105.1 |
Non-compete agreements |  |  | 0.1 |  |  |  | 0.4 |  |  |  | 0.3 |  |  |  | 0.2 |  |  |  | 1.0 |
Total assets acquired |  |  | 38.7 |  |  |  | 51.2 |  |  |  | 55.0 |  |  |  | 67.7 |  |  |  | 212.6 |
Current liabilities |  |  | 3.2 |  |  |  | 0.1 |  |  |  | 2.9 |  |  |  | 4.1 |  |  |  | 10.3 |
Noncurrent liabilities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5.5 |  |  |  | 5.5 |
Total liabilities assumed |  |  | 3.2 |  |  |  | 0.1 |  |  |  | 2.9 |  |  |  | 9.6 |  |  |  | 15.8 |
Total net assets acquired |  | $ | 35.5 |  |  | $ | 51.1 |  |  | $ | 52.1 |  |  | $ | 58.1 |  |  | $ | 196.8 |
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, 2016 (in millions, except per share data):
|  | Three-month period ended March 31, |
|  | 2017 |  |  | 2016 |
Total revenues |  | $ | 1,414.4 |  |  | $ | 1,317.2 |
Net earnings attributable to controlling interests |  |  | 55.7 |  |  |  | 47.3 |
Basic net earnings per share |  |  | 0.31 |  |  |  | 0.27 |
Diluted net earnings per share |  |  | 0.31 |  |  |  | 0.27 |

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