Note 10 - Employee Benefit Plans (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Percentage of Company's Matching Contributions Up to 6 Percent of Compensation 50.00% 50.00% 50.00%
Maximum Percentage of Compensation Subject to Company Matching 6.00% 6.00% 6.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount (in Dollars) $ 0.6 $ 0.5 $ 0.5
Pension Contributions (in Dollars) $ 0.03 $ 0.08 $ 0.07