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Allowance For Doubtful Accounts For Trade Accounts Receivable (Tables)

12 Months Ended

Oct. 31, 2012

Allowance For Doubtful Accounts For Trade Accounts Receivable [Abstract]

Summary Of Changes In The Allowance For Doubtful Accounts For Trade Accounts Receivable

					Years ended October 31,
		2012			2011			2010
Balance at beginning of year	$	145,616		$	120,450		$	108,913
Bad debt expense (recovery)		(10,327	)		40,231			29,798
Losses charged to allowance		(43,141	)		(15,065	)		(18,261	)
Balance at end of year	$	92,148		$	145,616		$	120,450

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Summary Of Changes In The Allowance For Doubtful Accounts For Trade Accounts Receivable [Table Text Block]

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