Changes in consolidated goodwill in 2017, 2016 and 2015, were as follows:
| 2017 | 2016 | 2015 | ||||||||||||||
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Balance at beginning of period |
Ps | 206,319 | 184,156 | 160,544 | ||||||||||||
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Business combinations |
1,965 | — | 64 | |||||||||||||
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Disposals, net (note 4.3) |
— | (3,340 | ) | (552 | ) | |||||||||||
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Reclassification to assets held for sale and other current assets (notes 4.2, 4.3 and 12) |
(1,804 | ) | (9,734 | ) | — | |||||||||||
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Impairment losses |
(1,920 | ) | — | — | ||||||||||||
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Foreign currency translation effects |
(9,086 | ) | 35,237 | 24,100 | ||||||||||||
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Balance at end of period |
Ps | 195,474 | 206,319 | 184,156 | ||||||||||||
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