Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Sep. 30, 2011
Restructuring Cost and Reserve [Line Items]
Charges to operations	$ 4,126	$ 24,928
Cash disbursements	(6,328)	(15,225)
Foreign exchange impact	(335)	(180)
Accrual, March 31, 2012	9,523	9,523	12,060	0
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Charges to operations	(380)	469
Cash disbursements	(107)	(175)
Foreign exchange impact	(4)	1
Accrual, March 31, 2012	295	295	786	0
Employee Severance And Related Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Charges to operations	4,506	24,459
Cash disbursements	(6,221)	(15,050)
Foreign exchange impact	(331)	(181)
Accrual, March 31, 2012	$ 9,228	$ 9,228	$ 11,274	$ 0