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SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION EARs (Details)
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Stock Appreciation Rights (SARs)    
Equity And Share-Based Compensation    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years  
EAR plan allow for the issuance of EARs for each of the divisions (%) 15.00%  
Stock Appreciation Rights (SARs) | Consumer Analytics Division    
Equity And Share-Based Compensation    
EARs Outstanding, Percent 5.60% 5.60%
Stock Appreciation Rights (SARs) | Document Solutions Division    
Equity And Share-Based Compensation    
EARs Outstanding, Percent 5.60% 5.60%
Stock Appreciation Rights (SARs) | Marketplace Solutions Division    
Equity And Share-Based Compensation    
EARs Outstanding, Percent 5.30% 5.30%
Minimum    
Equity And Share-Based Compensation    
EARs Estimated Forfeitures Rates 0.00%  
Maximum    
Equity And Share-Based Compensation    
EARs Estimated Forfeitures Rates 40.00%