Acquisitions Of Businesses	9 Months Ended
Acquisitions Of Businesses	Sep. 30, 2022
Business Combinations [Abstract]
Acquisitions Of Businesses	Acquisitions of Businesses Acquisitions are accounted for utilizing the acquisition method of accounting and the prices paid for them are allocated to their respective assets and liabilities based upon the estimated fair value of such assets and liabilities at the dates of their respective acquisition by us. During the first nine months of 2022, we acquired four companies for total consideration of $93.2 million. Such acquisitions include: (a) a company that provides electrical construction services in the Greater Boston area, the results of operations of which have been included in our United States electrical construction and facilities services segment, and (b) three companies that enhance our presence in geographies where we have existing operations, the results of operations of which were de minimis, consisting of: (i) two companies that provide fire protection services in the Northeastern and Southern regions of the United States, respectively, and that have been included within our United States mechanical construction and facilities services segment, and (ii) a company that specializes in building automation and controls in the Southwestern region of the United States and that has been included within our United States building services segment. In connection with these acquisitions, we acquired working capital of $7.6 million and other net liabilities of $3.0 million, and have preliminarily ascribed $26.5 million to goodwill and $62.1 million to identifiable intangible assets. During calendar year 2021, we acquired eight companies for total consideration of $131.2 million. Such acquisitions include: (a) two companies, the results of operations of which have been included within our United States mechanical construction and facilities services segment, consisting of: (i) a company that provides mechanical services within the Southern region of the United States and (ii) a company that provides fire protection services in the Midwestern region of the United States, (b) two companies that provide electrical construction services for a broad array of customers in the Midwestern region NOTE 4 - Acquisitions of Businesses (Continued) of the United States, the results of operations of which have been included in our United States electrical construction and facilities services segment, and (c) four companies, the results of operations of which have been included within our United States building services segment, consisting of: (i) a company that provides mobile mechanical services across North Texas and (ii) three companies that enhance our presence in geographies where we have existing operations and provide either mobile mechanical services or building automation and controls solutions. In connection with these acquisitions, we acquired working capital of $22.9 million and other net liabilities of $0.6 million, including certain deferred tax liabilities, and have ascribed $38.3 million to goodwill and $70.6 million to identifiable intangible assets. We expect that the majority of the goodwill acquired in connection with these acquisitions will be deductible for tax purposes. The purchase price allocations for the businesses acquired in 2022 are preliminary and subject to change during their respective measurement periods. As we finalize such purchase price allocations, adjustments may be recorded relating to finalization of intangible asset valuations, tax matters, or other items. Although not expected to be significant, such adjustments may result in changes in the valuation of assets and liabilities acquired. The purchase price allocations for the businesses acquired in 2021 have been finalized during their respective measurement periods with an insignificant impact.