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Goodwill and Intangible Assets - Intangible Assets by Major Class Subject to Amortization (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016
Components of intangible assets by major class subject to amortization |  |
Original Cost | $ 21,813 | $ 21,813
Accumulated Amortization | 12,843 | 10,747
Impairment | 2,289 | 0
Currency Translation | 133 | 72
Net Book Value | $ 6,814 | $ 11,138
Trade name |  |
Components of intangible assets by major class subject to amortization |  |
Weighted Average Life at September 30, | 8 years | 8 years
Original Cost | $ 2,776 | $ 2,776
Accumulated Amortization | 1,564 | 1,240
Impairment | 310 | 0
Currency Translation | 19 | 9
Net Book Value | $ 921 | $ 1,545
Non-compete agreement |  |
Components of intangible assets by major class subject to amortization |  |
Weighted Average Life at September 30, | 5 years | 5 years
Original Cost | $ 1,600 | $ 1,600
Accumulated Amortization | 1,584 | 1,547
Impairment | 0 | 0
Currency Translation | 0 | 0
Net Book Value | $ 16 | $ 53
Technology asset |  |
Components of intangible assets by major class subject to amortization |  |
Weighted Average Life at September 30, | 5 years | 5 years
Original Cost | $ 1,869 | $ 1,869
Accumulated Amortization | 749 | 389
Impairment | 0 | 0
Currency Translation | 50 | 37
Net Book Value | $ 1,170 | $ 1,517
Customer relationships |  |
Components of intangible assets by major class subject to amortization |  |
Weighted Average Life at September 30, | 10 years | 10 years
Original Cost | $ 15,568 | $ 15,568
Accumulated Amortization | 8,946 | 7,571
Impairment | 1,979 | 0
Currency Translation | 64 | 26
Net Book Value | $ 4,707 | $ 8,023

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments and purchase accounting adjustments. + References No definition available. + Details
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