v3.25.4
Segment Information - Summary of Significant Segment Expenses and Other Segment Items (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Net sales $ 767.0 $ 781.9 $ 797.2
Restructuring, impairment and other charges, net (10.4) (6.6) (9.8)
Share-based compensation expense (31.4) (25.2) (22.5)
Pension plan settlement charge (82.8) 0.0 0.0
Accelerated rent benefit 1.6    
Gain (loss) on sale of a business 0.0 0.4 (6.1)
Accelerated rent expense     (3.7)
Disposition-related expenses     (0.3)
Non-income tax, net 0.3 1.1 0.9
Gain on investments in equity securities 0.1 0.4 7.0
Gain on sale of long-lived assets 0.5 9.8 0.8
Depreciation and amortization (59.3) (60.2) (56.7)
Interest expense, net (12.9) (12.9) (15.8)
Investment and other loss, net (2.4) 1.0 0.8
Earnings before income taxes 43.1 125.1 102.0
Capital Markets - Software Solutions      
Segment Reporting Information [Line Items]      
Net sales 230.0 213.6 185.9
Capital Markets - Compliance and Communications Management      
Segment Reporting Information [Line Items]      
Net sales 296.2 321.7 355.4
Investment Companies - Software Solutions      
Segment Reporting Information [Line Items]      
Net sales 128.4 116.1 106.8
Investment Companies - Compliance and Communications Management      
Segment Reporting Information [Line Items]      
Net sales 112.4 130.5 149.1
Operating Segments      
Segment Reporting Information [Line Items]      
Net sales 767.0 781.9 797.2
Depreciation and amortization (59.3) (60.1) (56.6)
Operating Segments | Capital Markets - Software Solutions      
Segment Reporting Information [Line Items]      
Net sales 230.0 213.6 185.9
Cost of sales 58.2 [1] 57.8 [2] 61.2 [2]
SG&A expenses 96.7 [1] 92.2 [2] 79.5 [2]
Other segment items 0.1 [1] 0.1 [2] (0.0) [2]
Segment Adjusted EBITDA, Total 75.0 63.5 45.2
Restructuring, impairment and other charges, net (0.9) (0.6) (2.7)
Depreciation and amortization (30.1) (27.6) (29.8)
Operating Segments | Capital Markets - Compliance and Communications Management      
Segment Reporting Information [Line Items]      
Net sales 296.2 321.7 355.4
Cost of sales 111.4 [1] 120.4 [2] 141.4 [2]
SG&A expenses 70.9 [1] 90.5 [2] 94.5 [2]
Other segment items 0.1 [1] (0.1) [2] 0.1 [2]
Segment Adjusted EBITDA, Total 113.8 110.9 119.4
Restructuring, impairment and other charges, net (6.7) (3.3) (5.3)
Depreciation and amortization (6.2) (9.8) (8.0)
Operating Segments | Investment Companies - Software Solutions      
Segment Reporting Information [Line Items]      
Net sales 128.4 116.1 106.8
Cost of sales 53.1 [1] 49.6 [2] 47.1 [2]
SG&A expenses 24.9 [1] 26.8 [2] 22.9 [2]
Other segment items 0.1 [1] 0.0 [2] (0.1) [2]
Segment Adjusted EBITDA, Total 50.3 39.7 36.9
Restructuring, impairment and other charges, net (1.3) (0.5) (0.6)
Depreciation and amortization (19.1) (18.2) (14.2)
Operating Segments | Investment Companies - Compliance and Communications Management      
Segment Reporting Information [Line Items]      
Net sales 112.4 130.5 149.1
Cost of sales 57.9 [1] 70.3 [2] 81.5 [2]
SG&A expenses 15.0 [1] 18.6 [2] 18.2 [2]
Other segment items (0.1) [1] 0.1 [2] (0.0) [2]
Segment Adjusted EBITDA, Total 39.6 41.5 49.4
Restructuring, impairment and other charges, net (0.8) (0.6) (0.1)
Depreciation and amortization (3.9) (4.5) (4.6)
Operating Segments | Reportable Segment, Aggregation before Other Operating Segment [Member]      
Segment Reporting Information [Line Items]      
Segment Adjusted EBITDA, Total 278.7 255.6 250.9
Corporate      
Segment Reporting Information [Line Items]      
Corporate (38.9) [3] (38.3) [4] (43.5) [4]
Restructuring, impairment and other charges, net (0.7) (1.6) (1.1)
Depreciation and amortization $ 0.0 $ (0.1) $ (0.1)
[1] The significant expense categories align with the segment-level information that is regularly provided to the CODM. Segment Cost of sales, segment SG&A expenses and other segment items were adjusted to exclude certain items, as reflected in the Reconciliation of total Segment Adjusted EBITDA section above, that are not included in the Segment Adjusted EBITDA profitability metric utilized by the CODM.
[2] The significant expense categories align with the segment-level information that is regularly provided to the CODM. Segment Cost of sales, segment SG&A expenses and other segment items were adjusted to exclude certain items, as reflected in the Reconciliation of total Segment Adjusted EBITDA section above, that are not included in the Segment Adjusted EBITDA profitability metric utilized by the CODM.
[3] Corporate is not an operating segment and consists primarily of unallocated SG&A expenses.
[4] Corporate is not an operating segment and consists primarily of unallocated SG&A expenses.