Quarterly report pursuant to Section 13 or 15(d)

TDX GROUP ACQUISITION (Acquired Intangible Assets Fair Value and Weighted-Average Useful Life) (Detail)

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TDX GROUP ACQUISITION (Acquired Intangible Assets Fair Value and Weighted-Average Useful Life) (Detail) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Schedule Of Business Acquisitions Purchase Price Allocation [Line Items]  
Identifiable intangible assets $ 111.9 [1]
Customer Relationships [Member]
 
Schedule Of Business Acquisitions Purchase Price Allocation [Line Items]  
Identifiable intangible assets 69.5
Weighted-average remaining useful life 10 years
Technology [Member]
 
Schedule Of Business Acquisitions Purchase Price Allocation [Line Items]  
Identifiable intangible assets 18.7
Weighted-average remaining useful life 5 years
Non-compete Agreements [Member]
 
Schedule Of Business Acquisitions Purchase Price Allocation [Line Items]  
Identifiable intangible assets 12.6
Weighted-average remaining useful life 2 years 4 months 24 days
Trade names [Member]
 
Schedule Of Business Acquisitions Purchase Price Allocation [Line Items]  
Identifiable intangible assets $ 11.1
Weighted-average remaining useful life 10 years
[1] Identifiable intangible assets are further disaggregated in the table below.