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Business segment information (disaggregated revenue information) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | $ 540,247 | $ 528,444 |  | $ 1,597,980 |  | $ 1,601,215 |
Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 540,247 | 528,444 |  | 1,597,980 |  | 1,601,215 |
Merchant Services [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 98,000 | 93,531 |  | 297,173 |  | 288,536 |
B2B Payments [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 73,078 | 75,140 |  | 214,215 |  | 214,788 |
Data Solutions [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 89,224 | 61,065 |  | 234,280 |  | 178,169 |
Print [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 279,945 | 297,313 |  | 852,296 |  | 909,393 |
All Other [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 0 | 1,395 | [1] | 16 | [1] | 10,329 | [1]
Checks [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 173,053 | 176,827 |  | 521,936 |  | 534,672 |
Checks [Member] | Print [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 173,053 | 176,827 |  | 521,936 |  | 534,672 |
Merchant services [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 98,000 | 93,531 |  | 297,173 |  | 288,536 |
Merchant services [Member] | Merchant Services [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 98,000 | 93,531 |  | 297,173 |  | 288,536 |
Data-driven marketing [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 84,656 | 56,520 |  | 219,637 |  | 163,339 |
Data-driven marketing [Member] | Data Solutions [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 84,656 | 56,520 |  | 219,637 |  | 163,339 |
Forms and other business products [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 54,586 | 59,222 |  | 169,294 |  | 181,378 |
Forms and other business products [Member] | Print [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 54,586 | 59,222 |  | 169,294 |  | 181,378 |
Promotional solutions [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 52,306 | 61,264 |  | 161,066 |  | 193,343 |
Promotional solutions [Member] | Print [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 52,306 | 61,264 |  | 161,066 |  | 193,343 |
Treasury management solutions [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 56,124 | 58,574 |  | 164,921 |  | 169,000 |
Treasury management solutions [Member] | B2B Payments [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 56,124 | 58,574 |  | 164,921 |  | 169,000 |
Other payment solutions [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 16,954 | 16,566 |  | 49,294 |  | 45,788 |
Other payment solutions [Member] | B2B Payments [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 16,954 | 16,566 |  | 49,294 |  | 45,788 |
Other web based solutions [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | 4,568 | 4,545 |  | 14,643 |  | 14,830 |
Other web based solutions [Member] | Data Solutions [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue | $ 4,568 | 4,545 |  | 14,643 |  | 14,830 |
Other [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue |  | 1,395 |  | 16 |  | 10,329 |
Other [Member] | All Other [Member] | Operating segments [Member] |  |  |  |  |  |  |
Disaggregated revenue information |  |  |  |  |  |  |
Revenue |  | $ 1,395 |  | $ 16 |  | $ 10,329 |
[1] | Includes the payroll and human resources services business, which we substantially exited during 2024 (Note 6)

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