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v3.25.1

Supplemental balance sheet and cash flow information (intangibles) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Amortizable intangibles [Line Items] |  |  |
Gross carrying amount | $ 967,413 |  | $ 947,870
Accumulated amortization | (645,057) |  | (616,817)
Net carrying amount | 322,356 |  | 331,053
Amortization of intangibles | 29,675 | $ 35,698 |
Estimated future amortization expense |  |  |
Remainder of 2025 | 76,913 |  |
2026 | 77,306 |  |
2027 | 48,964 |  |
2028 | 28,754 |  |
2029 | 16,108 |  |
Internal-use software [Member] |  |  |
Amortizable intangibles [Line Items] |  |  |
Gross carrying amount | 508,947 |  | 488,840
Accumulated amortization | (357,609) |  | (339,683)
Net carrying amount | 151,338 |  | 149,157
Acquired intangibles | $ 19,133 |  |
Acquired intangibles, weighted-average useful life (in years) | 3 years |  |
Customer lists/relationships [Member] |  |  |
Amortizable intangibles [Line Items] |  |  |
Gross carrying amount | $ 311,066 |  | 311,578
Accumulated amortization | (231,158) |  | (223,272)
Net carrying amount | 79,908 |  | 88,306
Partner relationships [Member] |  |  |
Amortizable intangibles [Line Items] |  |  |
Gross carrying amount | 76,200 |  | 76,252
Accumulated amortization | (19,874) |  | (19,632)
Net carrying amount | 56,326 |  | 56,620
Technology-based intangibles [Member] |  |  |
Amortizable intangibles [Line Items] |  |  |
Gross carrying amount | 65,000 |  | 65,000
Accumulated amortization | (31,146) |  | (29,115)
Net carrying amount | 33,854 |  | 35,885
Software to be sold [Member] |  |  |
Amortizable intangibles [Line Items] |  |  |
Gross carrying amount | 6,200 |  | 6,200
Accumulated amortization | (5,270) |  | (5,115)
Net carrying amount | $ 930 |  | $ 1,085

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