Trade and Other Receivables, Net (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Feb. 29, 2016 |
Feb. 28, 2015 |
Feb. 29, 2016 |
Feb. 28, 2015 |
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| Receivables [Abstract] | ||||
| Bad debt expense | $ 18,952 | $ 309 | $ 24,203 | $ 1,118 |
| X | ||||||||||
- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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