XML 113 R99.htm IDEA: XBRL DOCUMENT v3.21.1
Machinery, Equipment and Improvements on Leased Assets - Summary of Property Plant and Equipment (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance $ 1,905,684 $ 1,906,233 $ 1,655,688
Additions 323,456 (2,255) 240,811
Disposals (139,151) (7,417) (9,737)
Currency translation effect 56,243 9,123 19,471
Ending balance 2,146,232 1,905,684 1,906,233
Machinery and equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 1,393,985 1,426,828  
Ending balance 1,602,765 1,393,985 1,426,828
Office furniture and equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 196,928 165,061  
Ending balance 188,767 196,928 165,061
Computer equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 225,984 228,427  
Ending balance 264,637 225,984 228,427
Transportation equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 25,058 18,236  
Ending balance 45,992 25,058 18,236
Communication equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 11,637 12,810  
Ending balance 10,047 11,637 12,810
Improvements on leased assets [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 52,092 54,871  
Ending balance 34,024 52,092 54,871
Investment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 4,272,694 3,943,153 3,369,500
Additions 813,557 437,405 632,455
Disposals (192,008) (86,332) (81,194)
Currency translation effect 87,414 (21,532) 22,392
Ending balance 4,981,657 4,272,694 3,943,153
Investment [Member] | Machinery and equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 2,838,723 2,666,532 2,268,920
Additions 596,729 224,218 444,495
Disposals (156,335) (39,546) (62,642)
Currency translation effect (12,481) (12,481) 15,759
Ending balance 3,341,641 2,838,723 2,666,532
Investment [Member] | Office furniture and equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 347,567 301,326 240,898
Additions 19,308 60,415 61,414
Disposals (900) (12,209) (1,455)
Currency translation effect 2,991 (1,965) 469
Ending balance 368,966 347,567 301,326
Investment [Member] | Computer equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 910,748 814,463 710,584
Additions 160,764 133,162 107,381
Disposals (12,237) (30,576) (9,104)
Currency translation effect 20,326 (6,301) 5,602
Ending balance 1,079,601 910,748 814,463
Investment [Member] | Transportation equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 73,717 58,095 47,068
Additions 36,226 17,585 13,537
Disposals (7,715) (1,178) (3,072)
Currency translation effect 1,573 (785) 562
Ending balance 103,801 73,717 58,095
Investment [Member] | Communication equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 29,592 31,154 30,432
Additions 530 1,261 1,633
Disposals (428) (2,823) (911)
Ending balance 29,694 29,592 31,154
Investment [Member] | Improvements on leased assets [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance 72,347 71,583 71,598
Additions   764 3,995
Disposals (14,393)   (4,010)
Ending balance 57,954 72,347 71,583
Accumulated depreciation and amortisation [member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance (2,367,010) (2,036,920) (1,713,812)
Additions (490,101) (439,660) (391,644)
Disposals 52,857 78,915 71,457
Currency translation effect 31,171 30,655 (2,921)
Ending balance (2,835,425) (2,367,010) (2,036,920)
Accumulated depreciation and amortisation [member] | Machinery and equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance (1,444,738) (1,239,704) (1,071,571)
Additions (298,406) (260,223) (221,674)
Disposals 32,604 37,221 55,770
Currency translation effect (28,336) 17,968 (2,229)
Ending balance (1,738,876) (1,444,738) (1,239,704)
Accumulated depreciation and amortisation [member] | Office furniture and equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance (150,639) (136,265) (117,093)
Additions (28,847) (26,821) (20,839)
Disposals 866 11,059 1,864
Currency translation effect (1,579) 1,388 (197)
Ending balance (180,199) (150,639) (136,265)
Accumulated depreciation and amortisation [member] | Computer equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance (684,764) (586,036) (459,513)
Additions (141,593) (136,589) (135,272)
Disposals 12,236 26,949 9,054
Currency translation effect (843) 10,912 (305)
Ending balance (814,964) (684,764) (586,036)
Accumulated depreciation and amortisation [member] | Transportation equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance (48,659) (39,859) (34,558)
Additions (15,464) (10,210) (8,177)
Disposals 6,727 1,023 3,066
Currency translation effect (413) 387 (190)
Ending balance (57,809) (48,659) (39,859)
Accumulated depreciation and amortisation [member] | Communication equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance (17,955) (18,344) (16,776)
Additions (2,116) (2,274) (2,354)
Disposals 424 2,663 786
Ending balance (19,647) (17,955) (18,344)
Accumulated depreciation and amortisation [member] | Improvements on leased assets [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Beginning balance (20,255) (16,712) (14,301)
Additions (3,675) (3,543) (3,328)
Disposals     917
Ending balance $ (23,930) $ (20,255) $ (16,712)