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Overview: (Details) - MXN ($) $ in Thousands | Dec. 31, 2017 | Oct. 19, 2017 | Sep. 30, 2017 | May 26, 2017
--- | --- | --- | --- | ---
Non-controlling interest at the business combination date |  | $ 310,827 |  |
Total purchase consideration |  | $ 4,100,624 | $ 3,789,797 |
Aerostar [Member] |  |  |  |
Cash paid |  |  |  | $ 726,628
Previous benefit acquired by departure of the previous shareholder |  |  |  | 848,923
Consideration on May 26, 2017 |  |  |  | 1,575,551
Fair value of share capital held in Aerostar prior to the business combination |  |  |  | 7,877,756
Non-controlling interest at the business combination date | $ 6,302,205 |  |  | 6,302,205
Total purchase consideration |  |  |  | $ 15,755,512

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