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Note 13 - Per Share Calculations (Details) - shares shares in Millions	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Note 13 - Per Share Calculations (Details) [Line Items]
Prepaid Stock Purchase Contracts, Shares Included in Basic Earnings Per Share		6.1
Tangible Equity Units, Rate		7.25%
Exchangeable Note Unit Rate Stated Percentage	6.00%	6.00%
Non-Vested Stock and Outstanding Options [Member]
Note 13 - Per Share Calculations (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0.2
Convertible Debt Securities [Member]
Note 13 - Per Share Calculations (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	15.2
Out of the Money Stock Options [Member]
Note 13 - Per Share Calculations (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3.0	2.0	2.2

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Amount of shares of prepaid common stock purchase contracts included in the basic earnings per share calculations, which are issuable in the future with no additional cash required to be paid by the holders thereof.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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