SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION (Details 3) - Stock Appreciation Rights (SARs)	9 Months Ended
	Sep. 30, 2015
Consumer Analytics Division
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding at December 31, 2014	0.00%
Granted	5.60%
September 30, 2015	5.60%
Document Solutions Division
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding at December 31, 2014	0.00%
Granted	4.50%
September 30, 2015	4.50%
Marketplace Solutions Division
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding at December 31, 2014	0.00%
Granted	4.90%
September 30, 2015	4.90%