| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Software Solutions | 358.40 | 329.70 | 292.70 | 279.60 | 270.00 | 200.20 | -- | -- | -- | -- |
| Services net sales | -- | -- | -- | -- | -- | -- | 554.00 | 618.00 | 632.10 | 598.60 |
| Products net sales | -- | -- | -- | -- | -- | -- | 320.70 | 345.00 | 372.80 | 384.90 |
| Tech-enabled services | 298.30 | 320.80 | 336.90 | 380.90 | 519.50 | 409.20 | -- | -- | -- | -- |
| Print and distribution | 110.30 | 131.40 | 167.60 | 173.10 | 203.80 | 285.10 | -- | -- | -- | -- |
| Net sales | 767.00 | 781.90 | 797.20 | 833.60 | 993.30 | 894.50 | 874.70 | 963.00 | 1,004.90 | 983.50 |
| Services cost of sales | -- | -- | -- | -- | -- | -- | 284.80 | 328.80 | 328.70 | 297.10 |
| Products cost of sales | -- | -- | -- | -- | -- | -- | 257.60 | 258.50 | 240.90 | 226.20 |
| Services cost of sales with RRD affiliates | -- | -- | -- | -- | -- | -- | -- | -- | 19.50 | 37.80 |
| Products cost of sales with RRD affiliates | -- | -- | -- | -- | -- | -- | -- | -- | 32.30 | 57.90 |
| Cost of sales-Tech-enabled services | 112.80 | 120.60 | 127.60 | 141.10 | 162.30 | 176.10 | -- | -- | -- | -- |
| Cost of sales-Software solutions | 111.40 | 107.40 | 108.70 | 113.40 | 105.30 | 93.90 | -- | -- | -- | -- |
| Cost of sales-Print and distribution | 56.20 | 69.90 | 97.00 | 115.70 | 145.50 | 226.00 | -- | -- | -- | -- |
| Depreciation and amortization | 59.30 | 60.20 | 56.70 | 46.30 | 40.30 | 50.90 | 49.60 | 45.80 | 44.50 | 43.30 |
| Selling, general and administrative expenses | 277.90 | 290.90 | 282.10 | 264.00 | 307.70 | 264.80 | 205.80 | 258.20 | 232.90 | 209.80 |
| Restructuring, impairment and other charges-net | 10.40 | 6.60 | 9.80 | 7.70 | 13.60 | 79.20 | 13.60 | 4.40 | 7.10 | 5.40 |
| Other operating income | 2.10 | 10.30 | (5.30) | (0.40) | 0.70 | -- | 15.20 | 53.80 | -- | -- |
| Income from operations | 141.10 | 136.60 | 110.00 | 145.00 | 219.30 | 3.60 | 78.50 | 121.10 | 99.00 | 106.00 |
| Interest expense-net | 12.90 | 12.90 | 15.80 | 9.20 | 26.60 | 22.80 | 38.10 | 36.70 | 42.90 | 11.70 |
| Investment and other income-net | (2.30) | 1.40 | 7.80 | 3.50 | 5.10 | 1.70 | 11.70 | 18.30 | 0.10 | -- |
| Pension plan settlement charge | (82.80) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings before income taxes | 43.10 | 125.10 | 102.00 | 139.30 | 197.80 | (17.50) | 52.10 | 102.70 | 56.20 | 94.30 |
| Current:U.S. Federal | 12.10 | 28.00 | 22.70 | 23.90 | 33.50 | 21.10 | 7.70 | 6.90 | 12.50 | 28.60 |
| Deferred:U.S. Federal | (6.50) | (8.80) | (11.50) | (0.60) | 1.20 | (20.90) | 2.30 | 6.80 | 13.30 | (3.10) |
| Current:U.S. state and local | 4.80 | 11.50 | 9.40 | 10.80 | 14.70 | 10.00 | 2.30 | 5.30 | 5.10 | 9.00 |
| Deferred:U.S. state and local | (2.40) | (1.50) | (2.50) | 0.30 | 0.40 | (6.40) | 0.40 | 2.90 | (0.10) | (0.40) |
| Current:Foreign | 3.80 | 2.60 | 2.30 | 2.60 | 4.00 | 3.70 | 2.00 | 6.30 | 3.40 | 3.50 |
| Deferred:Foreign | (1.10) | 0.90 | (0.60) | (0.20) | (1.90) | 0.90 | -- | 0.80 | (0.80) | (2.40) |
| Income tax expense | 10.70 | 32.70 | 19.80 | 36.80 | 51.90 | 8.40 | 14.50 | 29.10 | 46.50 | 35.20 |
| Non-Current:U.S. Federal | -- | -- | -- | -- | -- | -- | -- | 0.10 | 12.50 | -- |
| Non-Current:U.S. State and Local | -- | -- | -- | -- | -- | -- | -- | -- | 0.60 | -- |
| Net Earnings | 32.40 | 92.40 | 82.20 | 102.50 | 145.90 | (25.90) | 37.60 | 73.60 | 9.70 | 59.10 |
| Net Income (Loss) Available to Common Shareholders | 32.40 | 92.40 | 82.20 | 102.50 | 145.90 | (25.90) | 37.60 | 73.60 | 9.70 | 59.10 |
| Basic net earnings per share | 1.18 | 3.16 | 2.81 | 3.33 | 4.36 | (0.76) | 1.10 | 2.18 | 0.29 | 1.81 |
| Diluted net earnings per share | 1.15 | 3.06 | 2.69 | 3.17 | 4.14 | (0.76) | 1.10 | 2.16 | 0.29 | 1.80 |
| Basic common shares outstanding | 27.50 | 29.20 | 29.30 | 30.80 | 33.50 | 33.90 | 34.10 | 33.80 | 33.10 | 32.60 |
| Diluted common shares outstanding | 28.20 | 30.20 | 30.60 | 32.30 | 35.20 | 33.90 | 34.30 | 34.00 | 33.30 | 32.80 |