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Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Goodwill [Line Items] |  |  |
Goodwill Purchase Accounting Adjustments |  | $ 1,069 |
Goodwill | $ 17,249 | 14,993 | $ 13,924
Amortization Expense | $ 381 | 635 | $ 452
Business Acquistion Miscor [Member] | Infrastructure Solutions [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill Purchase Accounting Adjustments |  | 1,069 |
Goodwill |  | 6,362 |
Business Acquistion Miscor [Member] | Deferred Tax Liability [Member] | Infrastructure Solutions [Member] |  |  |
Goodwill [Line Items] |  |  |
Change In Accounting Estimate Description | is the result of the completion of our analysis of the tax basis of the acquired property, plant and equipment, which resulted in the recording of an additional deferred tax liability |  |
Goodwill Purchase Accounting Adjustments |  | 560 |
Business Acquistion Miscor [Member] | Work In Process Inventory [Member] | Infrastructure Solutions [Member] |  |  |
Goodwill [Line Items] |  |  |
Change In Accounting Estimate Description | we completed our valuation of the acquired inventory, resulting in a $311 reduction in the estimated value previously attributed to work in process inventory. |  |
Goodwill Purchase Accounting Adjustments |  | 311 |
Business Acquistion Miscor [Member] | Current Liabilities [Member] | Infrastructure Solutions [Member] |  |  |
Goodwill [Line Items] |  |  |
Change In Accounting Estimate Description | We also identified additional current liabilities of $198, resulting in a further increase to goodwill. |  |
Goodwill Purchase Accounting Adjustments |  | $ 198 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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