Other Long-term Liabilities (Schedule of Other Long-Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Other Liabilities Disclosure [Abstract]
Acquisition related liability	$ 0	$ 4,200
Pension liability	3,537	3,099
Non-current deferred tax liabilities	1,415	1,523
Other	526	450
Other long-term liabilities	$ 5,478	$ 9,272