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Goodwill and intangible assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Carrying Amount of Goodwill by Segment | Changes in the carrying amount of goodwill by reporting unit were as follows:
|  | Total |  | DWS |  | CA&I |  | ECS |  | Other
Balance at December 31, 2021 |  | $ | 315.0 |  |  | $ | 140.9 |  |  | $ | 65.5 |  |  | $ | 98.3 |  |  | $ | 10.3 |
Acquisition - Measurement period adjustments (i) |  | (27.5) |  |  | — |  |  | (27.5) |  |  | — |  |  | — |
Translation adjustments |  | (0.4) |  |  | (0.4) |  |  | — |  |  | — |  |  | — |
Balance at December 31, 2022 |  | 287.1 |  |  | 140.5 |  |  | 38.0 |  |  | 98.3 |  |  | 10.3 |
Translation adjustments |  | 0.3 |  |  | 0.3 |  |  | — |  |  | — |  |  | — |
Balance at December 31, 2023 |  | $ | 287.4 |  |  | $ | 140.8 |  |  | $ | 38.0 |  |  | $ | 98.3 |  |  | $ | 10.3 |
(i) Includes a measurement period adjustment that decreased goodwill by $27.5 million related to a prior period acquisition.
Schedule of Intangible Assets, Net | Intangible assets, net at December 31, 2023 and 2022 consists of the following:
As of December 31, 2023 |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Technology (i) |  | $ | 10.0 |  |  | $ | 8.1 |  |  | $ | 1.9 |
Customer relationships (ii) |  | 54.2 |  |  | 14.1 |  |  | 40.1 |
Marketing (ii) |  | 1.3 |  |  | 0.6 |  |  | 0.7 |
Total |  | $ | 65.5 |  |  | $ | 22.8 |  |  | $ | 42.7 |
As of December 31, 2022 |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Technology (i) |  | $ | 10.0 |  |  | $ | 4.9 |  |  | $ | 5.1 |
Customer relationships (ii)(iii) |  | 54.2 |  |  | 7.9 |  |  | 46.3 |
Marketing (ii) |  | 1.3 |  |  | 0.3 |  |  | 1.0 |
Total |  | $ | 65.5 |  |  | $ | 13.1 |  |  | $ | 52.4 |
(i) Amortization expense is included within cost of revenue - technology in the consolidated statements of income (loss). (ii) Amortization expense is included within selling, general and administrative expense in the consolidated statements of income (loss). (iii) Customer relationships include a measurement period adjustment that increased the fair value of the acquired intangible assets by $27.6 million related to a prior period acquisition.
Schedule of Future Amortization of Intangible Assets | The future amortization relating to acquired intangible assets at December 31, 2023 was estimated as follows:
Year |  | Future Amortization Expense
2024 |  | $ | 7.2 |
2025 |  | 4.3 |
2026 |  | 4.0 |
2027 |  | 4.0 |
2028 |  | 4.0 |
Thereafter |  | 19.2 |
Total |  | $ | 42.7 |

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