Accrued Liabilities (Restructuring and Other Charges) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Sep. 30, 2012
Accrued restructuring charges, beginning balance	$ 1,378	$ 1,978
Payments	(59)	(177)
Non-cash adjustments	(39)	(520)
Foreign currency exchange rates	0	(1)
Accrued restructuring charges, ending balance	1,280	1,280
Non-current accrued restructuring charges	753	753	877
Business Acquisitions [Member]
Accrued restructuring charges, beginning balance	1,291	1,848
Payments	(27)	(93)
Non-cash adjustments	(45)	(536)
Foreign currency exchange rates	0	0
Accrued restructuring charges, ending balance	1,219	1,219
Non-Acquisition [Member]
Accrued restructuring charges, beginning balance	87	130
Payments	(32)	(84)
Non-cash adjustments	6	16
Foreign currency exchange rates	0	(1)
Accrued restructuring charges, ending balance	$ 61	$ 61