XML 37 R36.htm IDEA: XBRL DOCUMENT v3.19.3
Basis of Financial Statements - Revision of Prior Period Financial Statements (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]        
Adjustment for cumulative effect of adoption of accounting standard $ 15.5      
Depreciation, Depletion and Amortization (13.9) $ (14.3)    
Income tax benefit 7.2 5.5    
Net loss (19.9) (5.3)    
Retained Earnings        
Schedule of Equity Method Investments [Line Items]        
Adjustment for cumulative effect of adoption of accounting standard 20.5      
Net loss (16.8) (1.1)    
Restatement Adjustment        
Schedule of Equity Method Investments [Line Items]        
Income tax benefit 2.4      
Net loss $ (21.9)      
ASU 2014-09        
Schedule of Equity Method Investments [Line Items]        
Adjustment for cumulative effect of adoption of accounting standard     $ 1.9  
ASU 2014-09 | Retained Earnings        
Schedule of Equity Method Investments [Line Items]        
Adjustment for cumulative effect of adoption of accounting standard     $ 1.9  
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | ASU 2014-09 | Retained Earnings        
Schedule of Equity Method Investments [Line Items]        
Adjustment for cumulative effect of adoption of accounting standard   1.9   $ 4.3
Adjustments for error corrections to prior interim periods of current year | ASU 2014-09 | T-System | Retained Earnings        
Schedule of Equity Method Investments [Line Items]        
Decrease in cumulative effect of adoption of ASC Topic 606   2.4    
Decrease To other operating revenue | Restatement Adjustment        
Schedule of Equity Method Investments [Line Items]        
Other Operating Income   1.5    
Decrease to depreciation and amortization | Restatement Adjustment        
Schedule of Equity Method Investments [Line Items]        
Depreciation, Depletion and Amortization   0.6    
Increase to income tax benefit | Restatement Adjustment        
Schedule of Equity Method Investments [Line Items]        
Income tax benefit   1.5    
Decrease to Net loss and Net loss attributable to Cannae | Restatement Adjustment        
Schedule of Equity Method Investments [Line Items]        
Net loss   $ 0.6