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Related Parties | 12 Months Ended
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Dec. 31, 2016
Related Party Transactions [Abstract] |
Related Parties | 8. Related Parties Certain of Sonic’s dealerships purchase the zMAX micro-lubricant from Oil-Chem Research Corporation (“Oil-Chem”), a subsidiary of Speedway Motorsports, Inc. (“SMI”), for resale to Fixed Operations customers of Sonic’s dealerships in the ordinary course of business. Sonic’s Executive Chairman, Mr. O. Bruton Smith, is also the Executive Chairman of SMI, and Mr. Smith’s son, Mr. Marcus G. Smith, a greater than 10% beneficial owner of Sonic, is the Chief Executive Officer and President of SMI. Total purchases from Oil-Chem by Sonic dealerships were approximately $2.1 million in each of the years ended December 31, 2016, 2015 and 2014. Sonic also engaged in other transactions with various SMI subsidiaries in the year ended December 31, 2016, consisting primarily of (i) merchandise and apparel purchases from SMISC Holdings, Inc. (d/b/a SMI Properties), for a net amount of approximately $0.9 million, and (ii) vehicle sales to various SMI subsidiaries, for a net amount of approximately $0.2 million. Because Messrs. O. Bruton Smith, B. Scott Smith, David Bruton Smith and Marcus G. Smith and Sonic Financial Corporation (“SFC”), an entity jointly controlled by Messrs. O. Bruton Smith, B. Scott Smith, David Bruton Smith and Marcus G. Smith, own collectively approximately 70% of SMI, under applicable SEC rules, the amount of Messrs. O. Bruton Smith’s, B. Scott Smith’s, David Bruton Smith’s and Marcus G. Smith’s interest in these transactions may be deemed to be approximately $1.5 million, $0.6 million and $0.1 million, respectively. Sonic participates in various aircraft-related transactions with SFC. Such transactions include, but are not limited to, the use of aircraft owned by SFC for business-related travel by Sonic executives, a management agreement with SFC for storage and maintenance of aircraft leased by Sonic from unrelated third parties, and the use of Sonic’s aircraft for business-related travel by certain affiliates of SFC. Sonic incurred net expenses of approximately $0.5 million, $0.6 million and $0.5 million in the years ended December 31, 2016, 2015 and 2014, respectively, in aircraft-related transactions with these related parties. Sonic incurred net expenses of approximately $0.8 million, $0.8 million and $0.6 million in the years ended December 31, 2016, 2015 and 2014, respectively, related to other transactions with various SMI subsidiaries, consisting primarily of merchandise and apparel purchases.

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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 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 2: 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 3: 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 4: 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 5: 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 6: 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 + Details
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