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Related Party Transactions | 12 Months Ended
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Dec. 31, 2016
Related Party Transactions [Abstract] |
Related Party Transactions | 11. Related Party Transactions ﻿ The Company leases certain facilities from an entity owned by Ronald N. Tutor, the Company’s Chairman and Chief Executive Officer, at market lease rates. Under these leases the Company paid $2.8 million, $2.7 million and $2.4 million for the years ended December 31, 2016, 2015 and 2014, respectively, and recognized expense of $3.2 million for each year ended December 31, 2016 and 2015 and $2.5 million for the year ended 2014. ﻿ Raymond R. Oneglia, Vice Chairman of O&G Industries, Inc. (“O&G”), is a director of the Company. The Company occasionally forms construction project joint ventures with O&G, and O&G often provides equipment and services for the projects on customary trade terms. Currently, the Company has a 30% interest in a joint venture for a highway construction project. The payments made by the joint venture to O&G during the years ended December 31, 2016, 2015 and 2014, were immaterial. ﻿ Peter Arkley, Senior Managing Director, Construction Services Group, of Alliant Insurance Services, Inc. (“Alliant”), is a director of the Company. The Company uses Alliant for various insurance re lated services. The associated expenses for services provided for the years ended December 31, 2016, 2015 and 2014 were $8.9 million, $9.8 million and $14.2 million, respectively. The Company owed Alliant $5.2 million and $7.5 million as of December 31, 2016 and 2015, respectively, for services rendered.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph b -Article 3A + Details
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