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Summary of Significant Accounting Policies Pensions (Details) (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Multiemployer Plan Percentage Decrease in Pension Rights | 6.30% |  |  |
Multiemployer Plan, Period Contributions |  | $ 1,087,000 | $ 1,042,000 | $ 1,202,000
Pensioenfonds Metaal en Techniek |  |  |  |
Multiemployer Plans Contribution Rate (less than 5%) |  | 5.00% |  |
Multiemployer Plan, Coverage Ratio Of Plan Assets To Obligations |  | 102.80% |  |
Multiemployer Plan Premium Percentage | 16.60% |  |  |
Multiemployer Plan Number Of Companies Covered |  | 33,000 |  |
Multiemployer Plan Number Of Employees |  | 1,200,000 |  |
Multiemployer Plan, Period Contributions |  | 929,000 | 879,000 | 1,021,000
Multiemployer Plans Plan Assets as of September 30, 2014 |  | 70,000,000,000 |  |
Multiemployer Plans Present Value Of Accumulated Plan Benefits as of September 30, 2014 |  | 68,100,000,000 |  |
Other Plans |  |  |  |
Multiemployer Plan, Period Contributions |  | $ 158,000 | $ 163,000 | $ 181,000
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, 2014 |  | 104.30% |  |
The Netherlands | Pensioenfonds Metaal en Techniek |  |  |  |
Multiemployer Plan Number Of Employees |  | 120 |  |

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