Detail of Selected Balance Sheet Accounts (Activity in Allowance for Doubtful Accounts) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Balance Sheet Related Disclosures [Abstract]
Balance at beginning of period	$ 1,881	$ 501	$ 1,577	$ 572
Bad debt expense/(recovery)	(438)	676	31	616
Uncollectible accounts written off, net of recoveries	(145)	(38)	(267)	(46)
Change in foreign currency translation	14	5	(29)	2
Balance at end of period	$ 1,312	$ 1,144	$ 1,312	$ 1,144