Net revenues - Schedule of Contract Cost Assets (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Opening balance			$ 200,900
Closing balance	$ 204,138		204,138
Sales incentive programs
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Opening balance	36,486	$ 40,252	41,348	$ 41,964
Closing balance	35,591	40,078	35,591	40,078
Amortization	6,580	7,604	18,549	21,286
Transition activities
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Opening balance	171,012	163,150	159,552	160,579
Closing balance	168,547	160,362	168,547	160,362
Amortization	$ 22,428	$ 20,060	$ 60,711	$ 57,075