COMMITMENTS AND CONTINGENCIES: (Details) $ in Thousands |
May. 31, 2015
USD ($)
|
|---|---|
| Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] | |
| Fiscal year 2015, remaining six months | $ 34,125 |
| Fiscal year 2016 | 52,639 |
| Fiscal year 2017 | 43,495 |
| Fiscal year 2018 | 35,331 |
| Fiscal year 2019 | 27,618 |
| Thereafter | 67,519 |
| Total minimum lease payments | 260,727 |
| HiChina Web Solutions [Member] | |
| Guarantor Obligations [Line Items] | |
| Guarantor Obligations, Current Carrying Value | 35,035 |
| HiChina Web Solutions [Member] | |
| Loss Contingencies [Line Items] | |
| Discontinued operations, contingent indemnification liability | $ 4,122 |