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v3.21.2

Net Revenues - Schedule of contract cost assets (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |
Opening balance |  |  | $ 225,897 |
Closing balance | $ 240,378 |  | 240,378 |
Sales Incentive Programs |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |
Opening balance | 31,559 | $ 32,182 | 33,390 | $ 35,366
Closing balance | 31,058 | 30,047 | 31,058 | 30,047
Amortization | 5,041 | 6,094 | 14,576 | 14,329
Process Transition Activities |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |
Opening balance | 210,747 | 178,570 | 192,507 | 170,132
Closing balance | 209,320 | 181,747 | 209,320 | 181,747
Amortization | $ 23,028 | $ 17,935 | $ 58,644 | $ 50,397

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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