XML 105 R91.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 16 - Stockholders' Equity - Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Foreign currency translation adjustment attributable to Verisk, before tax $ 67.0 $ (298.9) $ (45.8)
Foreign currency translation adjustment attributable to Verisk, tax 0.0 0.0  
Foreign currency translation adjustment attributable to Verisk, after tax 67.0 (298.9) (45.8)
Foreign currency translation adjustment attributable to noncontrolling interests, before tax 0.6 (1.4) (0.5)
Foreign currency translation adjustment attributable to noncontrolling interests, tax 0.0 0.0 0.0
Foreign currency translation adjustment attributable to noncontrolling interests, after tax 0.6 (1.4) (0.5)
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    
Foreign currency translation adjustment, before tax 768.2 (300.3) (46.3)
Foreign currency translation adjustment, tax 0.0 0.0 0.0
Foreign currency translation adjustment, after tax 768.2 (300.3) (46.3)
Total other comprehensive income, before tax 797.5 (350.4) (10.6)
Total other comprehensive income, tax (7.5) 12.4 (8.8)
Total other comprehensive income, after tax 790.0 (338.0) (19.4)
Pension and Postretirement Adjustment [Member]      
Other comprehensive income (loss), before reclassifications, before tax 35.1 (45.7) 39.8
Other comprehensive income (loss), before reclassifications, tax (8.9) 13.5 (9.8)
Other comprehensive income (loss), before reclassifications, after tax 26.2 (32.2) 30.0
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive income (losses), before tax (5.8) (4.4) (4.1)
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive income (losses), tax 1.4 (1.1) 1.0
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive income (losses), after tax (4.4) (5.5) (3.1)
Other comprehensive income (loss), before tax 29.3 (50.1) 35.7
Other comprehensive income (loss), tax (7.5) 12.4 (8.8)
Other comprehensive income (loss), after tax $ 21.8 $ (37.7) $ 26.9