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FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Details 5) |  |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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Feb. 28, 2014 USD ($) | Feb. 28, 2013 USD ($) | Feb. 29, 2012 USD ($) | Feb. 28, 2011 USD ($) | Feb. 28, 2013 Venezuela VEF | Feb. 28, 2013 Venezuela USD ($) | Feb. 28, 2014 Cash, interest and non-interest-bearing accounts - unrestricted USD ($) | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - unrestricted USD ($) | Feb. 28, 2014 Cash, interest and non-interest-bearing accounts - unrestricted Minimum | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - unrestricted Minimum | Feb. 28, 2014 Cash, interest and non-interest-bearing accounts - unrestricted Maximum | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - unrestricted Maximum | Feb. 28, 2014 Cash, interest and non-interest-bearing accounts - restricted USD ($) | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted USD ($) | Feb. 28, 2014 Cash, interest and non-interest-bearing accounts - restricted Venezuela USD ($) | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted Venezuela USD ($) | Feb. 28, 2014 Cash, interest and non-interest-bearing accounts - restricted Minimum | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted Minimum | Feb. 28, 2014 Cash, interest and non-interest-bearing accounts - restricted Maximum | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted Maximum | Feb. 28, 2014 Money market funds USD ($) | Feb. 28, 2013 Money market funds USD ($) | Feb. 28, 2014 Money market funds Minimum | Feb. 28, 2013 Money market funds Minimum | Feb. 28, 2014 Money market funds Maximum | Feb. 28, 2013 Money market funds Maximum
CASH AND CASH EQUIVALENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 70,027,000 | $ 12,842,000 | $ 21,846,000 | $ 27,193,000 |  |  | $ 65,884,000 | $ 9,568,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,549,000 | $ 1,091,000 |  |  |  |
Cash, interest and non-interest-bearing accounts - restricted |  |  |  |  |  |  |  |  |  |  |  |  | 2,594,000 | 2,183,000 | 2,590,000 | 2,180,000 |  |  |  |  |  |  |  |  |  |
Total cash and cash equivalents | 70,027,000 | 12,842,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rates (as a percent) |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 1.10% | 1.30% |  |  |  |  | 0.00% | 0.00% | 0.50% | 0.75% |  |  | 0.30% | 0.35% | 0.80% | 0.37%
Value of foreign currency before devaluation (in Bolivars per dollar) |  |  |  |  | 4.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of foreign currency after devaluation (in dollars per Bolivar) |  |  |  |  | 6.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impact of unfavorable foreign exchange rate |  |  |  |  |  | $ 1,410,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The aggregate of (i) unrestricted currency on hand as well as demand deposits with banks or financial institutions and other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty and (ii) the carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. + References No definition available. + Details
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- Definition The amount that will be recognized through the income statement (as well as the impact on the other financial statements) as part of highly inflationary accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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