Detail of Selected Balance Sheet Accounts (Activity in Allowance for Doubtful Accounts) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Detail of Selected Balance Sheet Accounts [Abstract]
Balance at beginning of period	$ 501	$ 818	$ 572	$ 1,297
Bad debt expense/(recovery)	676	20	616	(310)
Uncollectible accounts written off, net of recoveries	(38)	(19)	(46)	(156)
Change in foreign currency translation	5	(2)	2	(14)
Balance at end of period	$ 1,144	$ 817	$ 1,144	$ 817