Significant Accounting Policies Other Disclosures (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Acquired Finite-Lived Intangible Assets [Line Items]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	$ (225)	$ 8,377
Foreign Currency Transaction Gain (Loss), before Tax	$ 1,654	$ 3,370	$ 13,336
Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Building and Building Improvements [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Building and Building Improvements [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Property, Plant and Equipment, Useful Life	40 years
Machinery and Equipment [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Property, Plant and Equipment, Useful Life	2 years
Machinery and Equipment [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Property, Plant and Equipment, Useful Life	15 years