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Goodwill and other intangible assets - Summary of Other Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Other Intangible Assets, Gross: |  |
Other Intangible Assets, Gross | $ 1,220,196 | $ 679,206
Accumulated Amortization | (478,598) | (401,063)
Other Intangible Assets, Net | 741,598 | 278,143
Patents |  |
Other Intangible Assets, Gross: |  |
Other Intangible Assets, Gross | 29,303 | 29,315
Accumulated Amortization | (17,889) | (16,275)
Customer lists |  |
Other Intangible Assets, Gross: |  |
Other Intangible Assets, Gross | 1,092,232 | 592,195
Accumulated Amortization | (417,034) | (347,274)
Trade names |  |
Other Intangible Assets, Gross: |  |
Other Intangible Assets, Gross | 34,220 | 32,043
Accumulated Amortization | (15,892) | (14,106)
Proprietary technology |  |
Other Intangible Assets, Gross: |  |
Other Intangible Assets, Gross | 57,720 | 22,846
Accumulated Amortization | (25,113) | (21,394)
Other |  |
Other Intangible Assets, Gross: |  |
Other Intangible Assets, Gross | 6,721 | 2,807
Accumulated Amortization | $ (2,670) | $ (2,014)

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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