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Goodwill and other intangible assets - Summary of Other Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Other Intangible Assets, Gross:    
Other Intangible Assets, Gross $ 1,417,602 $ 1,220,196
Accumulated Amortization (563,932) (478,598)
Other Intangible Assets, Net 853,670 741,598
Patents    
Other Intangible Assets, Gross:    
Other Intangible Assets, Gross 29,304 29,303
Accumulated Amortization (19,549) (17,889)
Customer lists    
Other Intangible Assets, Gross:    
Other Intangible Assets, Gross 1,282,689 1,092,232
Accumulated Amortization (493,778) (417,034)
Trade names    
Other Intangible Assets, Gross:    
Other Intangible Assets, Gross 41,836 34,220
Accumulated Amortization (18,845) (15,892)
Proprietary technology    
Other Intangible Assets, Gross:    
Other Intangible Assets, Gross 56,857 57,720
Accumulated Amortization (29,013) (25,113)
Other    
Other Intangible Assets, Gross:    
Other Intangible Assets, Gross 6,916 6,721
Accumulated Amortization $ (2,747) $ (2,670)