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Critical Accounting Estimates and Assumptions (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 MXN ($)
Critical Accounting Estimates and Assumptions |
Expected Future Benefit Period | 5 years
Percentage Of Production Cost Expensed | 70.00%
Decrease in expected future revenue | 10.00%
Expected Decrease In Revenue | $ 222,330
Expected increase in programming amortization expense | $ 222,330

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