v3.24.3
Note 11 - Stockholders' Equity - Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Foreign currency translation adjustment attributable to Verisk, before tax $ 46.9 $ (30.7) $ 30.3 $ 44.0
Foreign currency translation adjustment attributable to Verisk, tax 0.0 0.0 0.0 0.0
Foreign currency translation adjustment attributable to Verisk, after tax 46.9 (30.7) 30.3 44.0
Foreign currency translation adjustment attributable to noncontrolling interests, before tax 0.2 (1.1) 1.1 (1.2)
Foreign currency translation adjustment attributable to noncontrolling interests, tax 0.0 0.0 0.0 0.0
Foreign currency translation adjustment attributable to noncontrolling interests, after tax 0.2 (1.1) 1.1 (1.2)
Foreign currency translation adjustment, before tax 47.1 (31.8) 31.4 743.4
Foreign currency translation adjustment, tax 0.0 0.0 0.0 0.0
Foreign currency translation adjustment, after tax 47.1 (31.8) 31.4 743.4
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive losses (1) (0.9) [1] (1.3) (3.1) [1] (4.1) [1]
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive losses (1) 0.3 0.3 0.8 [1] 1.0 [1]
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive losses (1) (0.6) (1.0) (2.3) [1] (3.1) [1]
Total other comprehensive income 48.1 30.8 34.6 746.5
Total other comprehensive income (0.2) (0.2) (0.7) (0.7)
Total other comprehensive income 47.9 (31.0) 33.9 745.8
Total other comprehensive income (48.1) (30.8) (34.6) (746.5)
Cumulative translation adjustment recognized upon deconsolidation of the Energy business, before tax       700.6
Cumulative translation adjustment recognized upon deconsolidation of the Energy business, tax       0.0
Cumulative translation adjustment recognized upon deconsolidation of the Energy business, after tax       700.6
Pension and Postretirement Adjustment [Member]        
Other comprehensive income (loss), before reclassifications, before tax 1.9 2.3 6.3 7.2
Other comprehensive income (loss), before reclassifications, tax (0.5) (0.5) (1.5) (1.7)
Other comprehensive income (loss), before reclassifications, after tax 1.4 1.8 4.8 5.5
Other comprehensive income (loss), before tax 1.0 1.0 3.2 3.1
Other comprehensive income (loss), tax (0.2) (0.2) (0.7) (0.7)
Other comprehensive income (loss), after tax $ 0.8 $ 0.8 $ 2.5 $ 2.4
[1] These accumulated other comprehensive loss components, before tax, are included under "Cost of revenues" and "Selling, general and administrative" in our accompanying condensed consolidated statements of operations. These components are also included in the computation of net periodic (benefit) cost (see Note 13. Pension and Postretirement Benefits for additional details).