Summary of Significant Accounting Policies Pensions (Details) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Multiemployer Plan Percentage Decrease in Pension Rights	6.30%
Multiemployer Plan, Period Contributions	$ 1,042,000	$ 1,202,000	$ 1,105,000
Pensioenfonds Metaal en Techniek
Multiemployer Plans Contribution Rate (less than 5%)	5.00%
Multiemployer Plan, Coverage Ratio Of Plan Assets To Obligations	101.50%
Multiemployer Plan Premium Percentage	16.60%
Multiemployer Plan Number Of Companies Covered	34,000
Multiemployer Plan Number Of Employees	1,200,000
Multiemployer Plan, Period Contributions	879,000	1,021,000	913,000
Multiemployer Plans Plan Assets October 31, 2012	63,700,000,000
Multiemployer Plans Present Value Of Accumulated Plan Benefits October 31, 2012	63,100,000,000
Other Plans
Multiemployer Plan, Period Contributions	$ 163,000	$ 181,000	$ 192,000
Minimum | Pensioenfonds Metaal en Techniek
Multiemployer Plan, Coverage Ratio Of Plan Assets To Obligations	104.30%
Multiemployer Plan Coverage Ratio Of Plan Assets To Obligations By December 31, 2012	104.30%
The Netherlands | Pensioenfonds Metaal en Techniek
Multiemployer Plan Number Of Employees	110