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Goodwill and intangible assets (Tables)
 12 Months Ended
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:
TotalDWSCA&IECSOther
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, 2022287.1 140.5 38.0 98.3 10.3 
Translation adjustments0.3 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 AmountAccumulated AmortizationNet 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 AmountAccumulated AmortizationNet 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:
YearFuture Amortization Expense
2024$7.2 
20254.3 
20264.0 
20274.0 
20284.0 
Thereafter19.2 
Total$42.7