Annual report pursuant to Section 13 and 15(d)

SEGMENT AND GEOGRAPHIC INFORMATION - Additional Information (Detail)

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SEGMENT AND GEOGRAPHIC INFORMATION - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2015
Location
Segments
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Number of operating segments | Segments 3    
Description of consolidated revenue No countries outside of the United States, nor any individual customers, provided 10% or more of consolidated revenue. No countries outside of the United States, nor any individual customers, provided 10% or more of consolidated revenue. No countries outside of the United States, nor any individual customers, provided 10% or more of consolidated revenue.
International Package | Minimum      
Segment Reporting Information [Line Items]      
Number of countries and territories in which service is rendered 220    
Supply Chain & Freight | Minimum      
Segment Reporting Information [Line Items]      
Number of countries and territories in which service is rendered 195