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LONG-TERM DEBT (Details Textuals) (USD $) In Millions, unless otherwise specified |  |  |  | 6 Months Ended |  | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2012 | Oct. 31, 2011 | Apr. 30, 2012 Line Of Credit [Member] Federal Funds Rate [Member] | Apr. 30, 2012 Line Of Credit [Member] London Interbank Offered Rate [Member] | Apr. 30, 2012 New Credit Facility [Member] | Apr. 30, 2012 Old Credit Facility [Member] | Apr. 30, 2012 New Credit Facility Libor Rate [Member] | Apr. 30, 2012 New Credit Facility Base Rate [Member] | Apr. 30, 2012 New Credit Facility Commitment Fee [Member] | Apr. 30, 2012 New Credit Facility Sublimit [Member] Foreign Currency [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum amount of borrowing capacity and limit availability under the revolving credit facility |  |  |  |  | $ 670 | $ 300 |  |  |  | $ 50
Line of Credit Facility, Expiration Date |  |  |  |  | Dec. 31, 2016 |  |  |  |  |
Extension To Maximum Borrowing Capacity |  |  |  |  | 130 |  |  |  |  |
Line of credit facility, interest rate description |  |  |  |  | The Base Rate is the highest of (i) the Prime Rate; (ii) the Federal Funds rate plus .50% per annum; and (iii) the Adjusted LIBO Rate determined on a daily basis for an Interest Period of one month plus 1.00% per annum |  |  |  |  |
Line of credit facility interest rate range minimum |  |  |  |  |  |  | 0.75% | 0.00% |  |
Maximum Borrowing Capacity Option |  |  |  |  | $ 800 |  |  |  |  |
Line of credit facility interest rate range maximum |  |  |  |  |  |  | 2.25% | 1.25% |  |
Line of credit facility, unused capacity, commitment fee percentage minimum |  |  |  |  |  |  |  |  | 0.125% |
Line of credit facility, unused capacity, commitment fee percentage maximum |  |  |  |  |  |  |  |  | 0.35% |
Weighted average interest rate | 1.20% | 0.90% |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 0.50% | 1.00% |  |  |  |  |  |

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- Definition Additional amount that can be borrowed under certain circumstances in excess of the original maximum borrowing capacity of $670 million. + References No definition available. + Details
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- Definition When presenting a range of interest rates margin, the highest rate for loans borrowed under the loan agreement during the period. + References No definition available. + Details
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- Definition When presenting a range of interest rates margin, the lowest range for loans borrowed under the loan agreement during the period. + References No definition available. + Details
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- Definition The fee, expressed as a maximum percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition The fee, expressed as a minimum percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition "Maximum borrowing capacity under the credit facility resulting from the option to increase the borrowing capacity without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Details
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- Definition Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time. + References No definition available. + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 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 210.5-02.19(b),22(b)) -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 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 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 210.5-02.19(b),22(b)) -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 19, 22 -Article 5 + Details
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