Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Useful Life of Other Purchased Intangible Assets) (Detail)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Useful Life of Other Purchased Intangible Assets) (Detail)
12 Months Ended
Dec. 31, 2013
Purchased data files [Member] | Maximum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 15 years
Purchased data files [Member] | Minimum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 2 years
Acquired software and technology [Member] | Maximum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 10 years
Acquired software and technology [Member] | Minimum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 1 year
Noncompete Agreements [Member] | Maximum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 10 years
Noncompete Agreements [Member] | Minimum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 1 year
Proprietary Database [Member] | Maximum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 10 years
Proprietary Database [Member] | Minimum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 6 years
Customer Relationships [Member] | Maximum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 25 years
Customer Relationships [Member] | Minimum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 2 years
Trade Names [Member] | Maximum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 15 years
Trade Names [Member] | Minimum [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful Life 5 years