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Employee Cost - Summary of Employee Cost (Detail) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure Of Employee Cost [Abstract]      
Wages and salaries $ 541,186 $ 453,452 $ 403,312
Other remunerations 73,031 61,527 50,709
Social benefits 64,934 54,003 44,967
Severance payments 13,132 4,464 6,479
Labor union fees 17,673 16,991 15,421
Taxes on employee benefits 9,383 7,832 6,483
PTU 7,804 10,128 10,337
Retirement employee benefits 7,465 16,688 14,598
Others 39,022 38,275 32,254
Total employee cost $ 773,630 $ 663,360 $ 584,560