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FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Details 5) |  |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 28, 2013 USD ($) | Feb. 29, 2012 USD ($) | Feb. 28, 2011 USD ($) | Feb. 28, 2010 USD ($) | Feb. 28, 2013 Venezuela VEF | Feb. 28, 2013 Venezuela USD ($) | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - unrestricted USD ($) | Feb. 29, 2012 Cash, interest and non-interest-bearing accounts - unrestricted USD ($) | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - unrestricted Minimum | Feb. 29, 2012 Cash, interest and non-interest-bearing accounts - unrestricted Minimum | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - unrestricted Maximum | Feb. 29, 2012 Cash, interest and non-interest-bearing accounts - unrestricted Maximum | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted USD ($) | Feb. 29, 2012 Cash, interest and non-interest-bearing accounts - restricted USD ($) | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted Venezuela USD ($) | Feb. 29, 2012 Cash, interest and non-interest-bearing accounts - restricted Venezuela USD ($) | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted Minimum | Feb. 29, 2012 Cash, interest and non-interest-bearing accounts - restricted Minimum | Feb. 28, 2013 Cash, interest and non-interest-bearing accounts - restricted Maximum | Feb. 29, 2012 Cash, interest and non-interest-bearing accounts - restricted Maximum | Feb. 28, 2013 Money market funds USD ($) | Feb. 29, 2012 Money market funds USD ($) | Feb. 28, 2013 Money market funds Minimum | Feb. 29, 2012 Money market funds Minimum | Feb. 28, 2013 Money market funds Maximum | Feb. 29, 2012 Money market funds Maximum
CASH AND CASH EQUIVALENTS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 12,842,000 | $ 21,846,000 | $ 27,193,000 | $ 110,208,000 |  |  | $ 9,568,000 | $ 18,375,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,091,000 | $ 801,000 |  |  |  |
Cash, interest and non-interest-bearing accounts - restricted |  |  |  |  |  |  |  |  |  |  |  |  | 2,183,000 | 2,670,000 | 2,180,000 | 2,670,000 |  |  |  |  |  |  |  |  |  |
Total cash and cash equivalents | 12,842,000 | 21,846,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rates (as a percent) |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 1.30% | 1.70% |  |  |  |  | 0.00% | 0.00% | 0.75% | 1.25% |  |  | 0.35% | 0.53% | 0.37% | 4.32%
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 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 -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 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 FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 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=6943989&loc=d3e3044-108585 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: 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 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 + 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 AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Paragraph 80 -Subparagraph Exhibit 4-8, 3 -IssueDate 2006-05-01 -Chapter 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 + Details
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