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Goodwill and Intangible Assets - Schedule of intangible assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 760,616 | $ 750,907
Accumulated amortization & Impairment | 590,981 | 514,175
Net | 169,635 | 236,732
Customer-related intangible assets |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 489,974 | 478,189
Accumulated amortization & Impairment | 394,688 | 359,652
Net | 95,286 | 118,537
Marketing-related intangible assets |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 98,870 | 96,561
Accumulated amortization & Impairment | 76,663 | 61,154
Net | 22,207 | 35,407
Technology-related intangible assets |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 171,772 | 152,293
Accumulated amortization & Impairment | 119,630 | 90,866
Net | 52,142 | 61,427
Intangible assets under development |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 0 | 23,864
Accumulated amortization & Impairment | 0 | 2,503
Net | $ 0 | $ 21,361

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