Note 13 - Per Share Calculations (Details) - shares shares in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Note 13 - Per Share Calculations (Details) [Line Items]
Exchangeable Note Unit Rate Stated Percentage	6.00%
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0.0
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		0.3
Convertible Debt Securities [Member]
Note 13 - Per Share Calculations (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	15.2	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	6.4	3.3