CONVERTIBLE DEBT: (Details) $ / shares in Units, $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
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Aug. 31, 2013
USD ($)
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May. 31, 2008
$ / shares
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Nov. 30, 2015
USD ($)
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Nov. 30, 2014
USD ($)
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Nov. 30, 2013
USD ($)
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| Debt Instrument [Line Items] | |||||
| Convertible debt principal amount | $ 143,750 | ||||
| Repayments of convertible debt | $ 0 | $ 0 | $ 218,870 | ||
| Conversion premium | 75,120 | ||||
| Non-cash interest expense | $ 0 | $ 0 | 2,314 | ||
| Convertible Debt [Member] | |||||
| Debt Instrument [Line Items] | |||||
| Convertible debt principal amount | 143,750 | ||||
| Stated percentage of convertible senior notes | 4.00% | ||||
| Conversion ratio | 33.9945 | ||||
| Conversion price per share | $ / shares | $ 29.42 | ||||
| Repayments of convertible debt | 218,870 | ||||
| Repayment of debt principal | 143,750 | ||||
| Conversion premium | $ 75,120 | ||||
| Contractual interest expense | $ 3,010 | ||||
| Effective borrowing rate | 8.00% | ||||
| Non-cash interest expense | $ 2,314 | ||||
| X | ||||||||||
- Definition The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized. No definition available.
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The average effective interest rate during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. No definition available.
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- Details
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