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Goodwill and Intangible Assets - Schedule of intangible assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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