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Debt (Narrative) (Details) (USD $) | 6 Months Ended |  | 0 Months Ended
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Apr. 30, 2014 | Oct. 31, 2013 | May 31, 2012 Minimum [Member] | May 31, 2012 Maximum [Member] | May 31, 2012 Revolving Credit Facility [Member] | Jan. 12, 2011 Revolving Credit Facility [Member] | Sep. 12, 2013 Term Loan Facility [Member] | Sep. 12, 2013 Federal Funds Rate [Member] Term Loan Facility [Member] | Sep. 12, 2013 Eurodollar [Member] Term Loan Facility [Member]
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Amortization Of Term Loan Principal |  |  |  |  |  |  | 5.00% |  |
Debt Instrument, Date of First Required Payment |  |  |  |  |  |  | Oct. 31, 2016 |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  | 0.50% | 1.00%
Line of credit facility, initiation date |  |  |  |  |  | Jan. 12, 2011 |  |  |
Aggregate commitment amount of credit facility |  |  |  |  | $ 1,000,000,000 |  |  |  |
Additional borrowings |  |  |  |  | 500,000,000 |  |  |  |
Expiration date |  |  |  |  | May 31, 2017 |  |  |  |
Commitment fee percentage |  |  | 0.10% | 0.275% |  |  |  |  |
Line of credit facility interest rate margin on base rate loans percentage |  |  | 0.00% | 0.75% |  |  | 0.00% |  |
Line of credit facility interest rate margin on foreign currency loans percentage |  |  | 1.00% | 1.75% |  |  | 0.75% |  |
Required minimum Interest coverage ratio | 3.00 |  |  |  |  |  |  |  |
Required maximum total leverage ratio | 3.75 |  |  |  |  |  |  |  |
Interest Coverage Ratio | 69.18 |  |  |  |  |  |  |  |
Total Leverage Ratio | 0.66 |  |  |  |  |  |  |  |
Amount available under the credit agreement | 999,800,000 |  |  |  |  |  |  |  |
Debt Instrument, Issuance Date |  |  |  |  |  |  | Sep. 12, 2013 |  |
Debt term |  |  |  |  |  |  | 5 years |  |
Term Loan | $ 300,000,000 | $ 300,000,000 |  |  |  |  | $ 300,000,000 |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Sep. 12, 2018 |  |

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- Definition Term loan subject to amortization of principal of 5% per annum payable quarterly beginning Oct 31, 2016, with balance payable at maturity + References No definition available. + Details
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- Definition Line Of Credit Facility Interest Rate Margin On Base Rate Loans Percentage + References No definition available. + Details
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- Definition Line Of Credit Facility Interest Rate Margin On Foreign Currency Loans Percentage + References No definition available. + Details
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- Definition Required maximum total leverage ratio. + References No definition available. + Details
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- Definition Total Leverage Ratio + References No definition available. + Details
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- Definition 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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- Definition Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Date the debt instrument was issued, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -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 210.5-02.22(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + 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 Date the credit facility first became available, 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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- 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 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 Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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