Operating Segments (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jan. 31, 2012 BusinessSegments
Operating segments (Textual) [Abstract]
Number of business segments	3
Severance and restructuring costs	$ 811

- Definition

The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy pursuant to a duly authorized plan, excluding a discontinued operation as defined by generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, but excludes costs associated with the retirement of a long-lived asset and severance costs associated with established compensation plans.

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