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Costs and expenses by nature: (Tables) | 12 Months Ended
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Dec. 31, 2017
Expenses by nature [abstract] |
Disclosure of general and administrative expense [text block] |
|  | January 1 to December 31, |
|  | 2015 |  | 2016 |  | 2017 |
Termination benefits (Note 18.17) |  | Ps | 1,133 |  | Ps | 1,237 |  | Ps | 1,984 |
Short term benefits |  |  | 499,035 |  |  | 531,246 |  |  | 772,129 |
Employees’ statutory profit sharing |  |  | 5,085 |  |  | 6,126 |  |  | 6,359 |
Electric power |  |  | 92,737 |  |  | 108,910 |  |  | 234,879 |
Maintenance and conservation |  |  | 214,439 |  |  | 229,904 |  |  | 401,479 |
Professional fees |  |  | 70,064 |  |  | 103,918 |  |  | 217,930 |
Insurance and bonds |  |  | 31,919 |  |  | 30,157 |  |  | 86,838 |
Surveillance services |  |  | 125,176 |  |  | 144,462 |  |  | 207,303 |
Cleaning services |  |  | 77,274 |  |  | 90,285 |  |  | 142,531 |
Technical assistance (Note 15.4) |  |  | 239,175 |  |  | 288,111 |  |  | 346,487 |
Right of use of assets under concession (DUAC) (1) |  |  | 291,505 |  |  | 344,939 |  |  | 468,695 |
Amortization and depreciation of intangible assets, |  |  |  |  |  |  |  |  |  |
furniture and equipment |  |  | 468,996 |  |  | 529,660 |  |  | 1,166,114 |
Goodwill impairment (Note 8.1) |  |  |  |  |  |  |  |  | 4,719,096 |
Consumption of commercial items |  |  | 139,603 |  |  | 180,636 |  |  | 252,602 |
Construction services (Note 3.1.3) |  |  | 2,580,707 |  |  | 2,116,954 |  |  | 1,898,550 |
Financial assets impairment |  |  |  |  |  |  |  |  | 45,687 |
Other |  |  | 84,852 |  |  | 114,347 |  |  | 144,322 |
Total aeronautical and non-aeronautical services costs, |  |  |  |  |  |  |  |  |  |
costs of construction services and administrative expenses |  | Ps | 4,921,700 |  | Ps | 4,820,892 |  | Ps | 11,112,985 |
| (1) | As of December 31, 2017, DUAC by Ps.406,733 correspond to the consideration for the concessions in Mexico, which is equivalent to 5% of the gross revenues of each of the concessions, Ps.56,005 correspond to the consideration for the Airplan concession at 19% of gross revenues for the period from October 19 to December 31, 2017 and Ps.5,957 to the consideration for the Aerostar concession at 5% of the airport's gross receipts for the period from June 1, to December 31, 2017.

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- Definition The disclosure of general and administrative expenses. [Refer: Administrative expenses] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_10_e&doctype=Standard -URIDate 2017-03-09 + Details
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