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Note 14 - Per Share Calculations (Details) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Note 14 - Per Share Calculations (Details) [Line Items]
Prepaid Stock Purchase Contracts, Shares Included in Basic Earnings Per Share	6.1		6.1
Tangible Equity Units, Rate	7.25%		7.25%
Exchangeable Note Unit Rate Stated Percentage	6.00%		6.00%
Exchangeable Debt [Member]
Note 14 - Per Share Calculations (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	15.2		15.2	16.5
Non-Vested Stock and Outstanding Options [Member]
Note 14 - Per Share Calculations (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0.9		1.0	1.4
Out of the Money Stock Options [Member]
Note 14 - Per Share Calculations (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2.2	1.3	2.2	1.3

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.

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