| TDX GROUP ACQUISITION - Additional Information (Detail) (Tdx Group [Member], USD $) In Millions, unless otherwise specified | 1 Months Ended | 
|---|---|
| Jan. 15, 2014 | |
| Tdx Group [Member] | |
| Business acquisition, percentage of voting interests acquired | 100.00% | 
| Business acquisition purchase price | $ 322.8 | 
| X | ||||||||||
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
 | 
| X | ||||||||||
| 
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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