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SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION (goodwill) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Changes in goodwill |  |  |  |
Goodwill, net of accumulated impairment charges, beginning of year |  | $ 1,431,385 | $ 1,430,141 |
Currency translation adjustment and other |  | (795) | 1,244 |
Accumulated impairment charges |  |  |  | $ (193,699)
Goodwill, net of accumulated impairment charges, end of period |  | 1,430,590 | 1,431,385 |
Data Solutions [Member] |  |  |  |
Changes in goodwill |  |  |  |
Accumulated impairment charges |  |  |  | $ (392,168)
Reportable business segments [Member] | Payments [Member] |  |  |  |
Changes in goodwill |  |  |  |
Goodwill, net of accumulated impairment charges, beginning of year |  | 896,681 | 895,338 |
Currency translation adjustment and other |  | (828) | 1,343 |
Goodwill, net of accumulated impairment charges, end of period |  | 895,853 | 896,681 |
Reportable business segments [Member] | Data Solutions [Member] |  |  |  |
Changes in goodwill |  |  |  |
Goodwill, net of accumulated impairment charges, beginning of year | [1] | 40,816 | 40,816 |
Accumulated impairment charges |  | (392,168) | (392,168) |
Goodwill, net of accumulated impairment charges, end of period | [1] | 40,816 | 40,816 |
Reportable business segments [Member] | Promotional Solutions [Member] |  |  |  |
Changes in goodwill |  |  |  |
Goodwill, net of accumulated impairment charges, beginning of year | [1] | 59,076 | 59,175 |
Currency translation adjustment and other |  | 33 | (99) |
Accumulated impairment charges |  | (193,699) | (193,699) |
Goodwill, net of accumulated impairment charges, end of period | [1] | 59,109 | 59,076 |
Reportable business segments [Member] | Checks [Member] |  |  |  |
Changes in goodwill |  |  |  |
Goodwill, net of accumulated impairment charges, beginning of year |  | 434,812 | 434,812 |
Goodwill, net of accumulated impairment charges, end of period |  | $ 434,812 | $ 434,812 |
[1] | The Data Solutions and Promotional Solutions balances are net of accumulated impairment charges of $392,168 and $193,699, respectively, for each period presented.

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