| SEGMENT INFORMATION - Additional Information (Detail) | 3 Months Ended | 
|---|---|
| Jun. 30, 2017  Countries_and_Territories  Segments | |
| Segment Reporting Information [Line Items] | |
| Operating Segments, Number | Segments | 3 | 
| 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 | 
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- Definition Operating Segments, Number No definition available. 
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- Definition The number of countries in which the entity operates as of balance sheet date. No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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