|
BORROWINGS: (Interest Expense) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
May 31, 2013
|
May 31, 2012
|
May 31, 2013
|
May 31, 2012
|
|
| Interest Expense, Debt [Abstract] | ||||
| Interest Expense, Debt | $ 5,757 | $ 7,043 | $ 12,313 | $ 13,997 |
| Non-cash debt accretion expense | 2,314 | 2,584 | ||
|
Minimum [Member]
|
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| Interest Expense, Debt [Abstract] | ||||
| Debt, Variable Interest Percentage, Percentage Rate | 0.67% | 0.87% | 0.67% | 0.87% |
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Maximum [Member]
|
||||
| Interest Expense, Debt [Abstract] | ||||
| Debt, Variable Interest Percentage, Percentage Rate | 3.43% | 4.24% | 3.53% | 4.24% |
|
Convertible Debt [Member]
|
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| Interest Expense, Debt [Abstract] | ||||
| Interest Expense, Debt | 1,387 | 1,624 | 3,010 | 3,248 |
| Non-cash debt accretion expense | $ 926 | $ 1,301 | $ 2,314 | $ 2,585 |