COMMITMENTS AND CONTINGENCIES: (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||
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Nov. 30, 2015 | |||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||
| Schedule of future minimum rental obligations under non-cancellable lease agreements | The Company leases certain of its facilities under operating lease agreements, which expire in various periods through 2025. Future minimum contractually required cash payment obligations under non-cancellable lease agreements as of November 30, 2015 were as follows:
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