Summary Of Significant Accounting Policies (Changes In The Allowance For Doubtful Accounts) (Details) (USD $)	12 Months Ended
	Oct. 31, 2011		Oct. 31, 2010		Oct. 31, 2009
Summary Of Significant Accounting Policies [Abstract]
Balance at Beginning of Period	$ 2,727,000		$ 3,587,000	[1]	$ 2,338,000	[1]
Provisions	1,058,000		(899,000)		2,461,000
Provisions, including acquired bad debt reserves					4,698,000	[1]
Write-offs	(1,296,000)	[2]	39,000	[2]	(3,449,000)	[1],[2]
Balance at End of Period	2,489,000		2,727,000		3,587,000	[1]
Acquisition of Bad Debt Reserves					$ 2,200,000

[1] Fiscal 2009 includes acquired bad debt reserves of $2.2 million.

[2] Balances written off, net of recoveries.