v3.24.0.1
Goodwill and other intangible assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Goodwill and other intangible assets      
Beginning balance $ 1,812,491 $ 1,625,625  
Charge for the year 50,383 47,330 $ 38,166
Ending balance 1,552,328 1,812,491 1,625,625
Cost      
Goodwill and other intangible assets      
Beginning balance 2,152,127 1,806,617 1,500,380
Additions during the year 15,117 21,185 5,054
Additions through business combinations 2,990 363,732 387,389
Disposals (33,022) (399) (741)
Exchange differences (272,238) (39,008) (85,465)
Reclassified to assets held for sale (271)    
Ending balance 1,864,703 2,152,127 1,806,617
Accumulated amortization and impairment      
Goodwill and other intangible assets      
Beginning balance (339,636) (180,992) (153,283)
Charge for the year 50,383 47,330 38,166
Impairment charge for the year   121,596  
Disposals 31,422 398 741
Exchange differences 46,184 9,884 9,716
Reclassified to assets held for sale 38    
Ending balance (312,375) (339,636) (180,992)
Goodwill      
Goodwill and other intangible assets      
Beginning balance 763,388 779,896  
Ending balance 619,298 763,388 779,896
Goodwill | Cost      
Goodwill and other intangible assets      
Beginning balance 885,639 780,147 656,507
Additions through business combinations   119,035 156,817
Exchange differences (134,613) (13,543) (33,177)
Ending balance 751,026 885,639 780,147
Goodwill | Accumulated amortization and impairment      
Goodwill and other intangible assets      
Beginning balance (122,251) (251) (251)
Impairment charge for the year   121,596  
Exchange differences (9,477) (404)  
Ending balance (131,728) (122,251) (251)
Customerrelated intangible assets      
Goodwill and other intangible assets      
Beginning balance 871,964 746,196  
Ending balance 764,703 871,964 746,196
Customerrelated intangible assets | Cost      
Goodwill and other intangible assets      
Beginning balance 1,031,366 877,764 732,434
Additions through business combinations 2,224 171,765 191,332
Disposals (16,219)    
Exchange differences (119,291) (18,163) (46,002)
Ending balance 898,080 1,031,366 877,764
Customerrelated intangible assets | Accumulated amortization and impairment      
Goodwill and other intangible assets      
Beginning balance (159,402) (131,568) (109,715)
Charge for the year 34,044 36,169 29,037
Disposals 16,219    
Exchange differences 43,850 8,335 7,184
Ending balance (133,377) (159,402) (131,568)
Network - related intangible assets      
Goodwill and other intangible assets      
Beginning balance 147,714 85,317  
Ending balance 134,979 147,714 85,317
Network - related intangible assets | Cost      
Goodwill and other intangible assets      
Beginning balance 175,290 107,202 73,552
Additions through business combinations 766 72,932 38,205
Disposals (1,758)    
Exchange differences (13,619) (4,844) (4,555)
Ending balance 160,679 175,290 107,202
Network - related intangible assets | Accumulated amortization and impairment      
Goodwill and other intangible assets      
Beginning balance (27,576) (21,885) (19,022)
Charge for the year 7,217 6,936 4,237
Disposals 1,758    
Exchange differences 7,335 1,245 1,374
Ending balance (25,700) (27,576) (21,885)
Licenses      
Goodwill and other intangible assets      
Beginning balance 21,512 10,829  
Ending balance 17,835 21,512 10,829
Licenses | Cost      
Goodwill and other intangible assets      
Beginning balance 30,588 17,706 15,796
Additions during the year 3,007 14,772 3,145
Disposals (117) (4) (18)
Exchange differences (45) (1,886) (1,217)
Ending balance 33,433 30,588 17,706
Licenses | Accumulated amortization and impairment      
Goodwill and other intangible assets      
Beginning balance (9,076) (6,877) (6,456)
Charge for the year 6,288 2,598 978
Disposals 117 4 15
Exchange differences (351) 395 542
Ending balance (15,598) (9,076) (6,877)
Software      
Goodwill and other intangible assets      
Beginning balance 7,913 3,387  
Ending balance 15,513 7,913 3,387
Software | Cost      
Goodwill and other intangible assets      
Beginning balance 29,244 23,798 22,091
Additions during the year 12,110 6,413 1,909
Additions through business combinations     1,035
Disposals (14,928) (395) (723)
Exchange differences (4,670) (572) (514)
Reclassified to assets held for sale (271)    
Ending balance 21,485 29,244 23,798
Software | Accumulated amortization and impairment      
Goodwill and other intangible assets      
Beginning balance (21,331) (20,411) (17,839)
Charge for the year 2,834 1,627 3,914
Disposals 13,328 394 726
Exchange differences 4,827 313 616
Reclassified to assets held for sale 38    
Ending balance $ (5,972) $ (21,331) $ (20,411)