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Detail of Selected Balance Sheet Accounts (Activity in Allowance for Doubtful Accounts) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Detail of Selected Balance Sheet Accounts [Abstract]
Balance at beginning of period	$ 572	$ 1,297
Increase (decrease) to bad debt expense	15	(293)
Uncollectible accounts written off, net of recoveries	88	(77)
Change in foreign currency translation	(2)	1
Balance at end of period	$ 673	$ 928

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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