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Variable Interest Entities | 6 Months Ended
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Jun. 30, 2017
Variable Interest Entity [Abstract] |
Variable Interest Entities | (1 2) Variable Interest Entities ﻿ From time to time the Company may form joint ventures or partnerships with third parties for the execution of single contracts or projects. In accordance with ASC 810, Consolidation, the Company assesses its partnerships and joint ventures at inception to determine if any meet the qualifications of a variable interest entity (“VIE”). ASC 810 also requires the Company to determine whether it is the primary beneficiary of the VIE. The Company concludes that it is the primary beneficiary and consolidates the VIE if the Company has both (a) the power to direct the economically significant activities of the entity and (b) the obligation to absorb losses of, or the right to receive benefits from, the entity that could potentially be significant to the VIE as part of its evaluation methodology. The Company considers the contractual agreements that define the ownership structure, distribution of profits and losses, risks, responsibilities, indebtedness, voting rights and board representation of the respective parties in determining if the Company is the primary beneficiary. The Company also considers all parties that have direct or implicit variable interests when determining whether it is the primary beneficiary. As required by ASC 810, management’s assessment of whether the Company is the primary beneficiary of a VIE is continuously performed. ﻿ As of June 30, 2017, the Company had consolidated VIE-related assets of $94.4 million and liabilities of $88.2 million, all of which are classified as current and are included in the Company’s Condensed Consolidated Balance Sheet. ﻿ One large joint venture that the Company is consolidating was established to construct the Purple Line Segment 2 Expansion project, a $1.4 billion mass-transit project in Los Angeles, California. The Company has a 75% interest in the joint venture with the remaining 25% held by O&G Industries, Inc. The joint venture was initially financed with contributions from the partners and, per the term of the joint venture agreement, the partners may be required to provide additional capital contributions in the future. ﻿

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- Definition Variable Interest Entity [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=64801991&loc=SL6759159-111685 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5710-111685 + Details
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