Restructuring (Breisach Restructuring) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Breisach Restructuring [Member] employees	Mar. 31, 2012 Breisach Restructuring [Member]	Dec. 31, 2011 Breisach Restructuring [Member]	Sep. 30, 2011 Breisach Restructuring [Member]	Jun. 30, 2012 Breisach Restructuring [Member] Employee Termination Costs [Member]	Mar. 31, 2012 Breisach Restructuring [Member] Employee Termination Costs [Member]	Dec. 31, 2011 Breisach Restructuring [Member] Employee Termination Costs [Member]	Sep. 30, 2011 Breisach Restructuring [Member] Employee Termination Costs [Member]	Jun. 30, 2012 Breisach Restructuring [Member] Other [Member]	Mar. 31, 2012 Breisach Restructuring [Member] Other [Member]	Dec. 31, 2011 Breisach Restructuring [Member] Other [Member]	Sep. 30, 2011 Breisach Restructuring [Member] Other [Member]
Restructuring Cost and Reserve [Line Items]
Number of employees eliminated					25
Beginning Balance					$ 10	$ 275	$ 220	$ 0	$ 10	$ 204	$ 145	$ 0	$ 0	$ 71	$ 75	$ 0
Restructuring charge	963	0	1,259	(70)	500	87	249	224	400	87	249	148	100	0	0	76
Foreign currency fluctuation						10	(21)	(4)		8	(17)	(3)		2	(4)	(1)
Payments					(10)	(335)	(160)		(10)	(289)	(160)		0	(46)	0
Reversals						(27)	(13)			0	(13)			(27)	0
Ending Balance					$ 0	$ 10	$ 275	$ 220	$ 0	$ 10	$ 204	$ 145	$ 0	$ 0	$ 71	$ 75