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Summary of Significant Accounting Policies - Warranty (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015
Movement in Standard Product Warranty Accrual [Roll Forward] |  |  |
Warranty beginning balance | $ 793 | $ 793 | $ 628
Warranty - merger |  | 0 | 806
Additions for warranties issued during the period |  | 430 | 211
Reductions in the liability for payments made under the warranty |  | 382 | 673
Changes related to pre-existing warranties (including adjustments related to changes in estimates) |  | 3 | 180
Currency translation adjustment |  | 15 | (102)
Warranty ending balance |  | $ 859 | $ 1,050
Minimum |  |  |
Product Warranty [Line Items] |  |  |
Standard product warranty, period | 12 months |  |
Maximum |  |  |
Product Warranty [Line Items] |  |  |
Standard product warranty, period | 24 months |  |

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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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- Definition Liability for a standard product warranty acquired in a business acquisition. Does not include any liability for an extended warranty acquired in a business acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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- Definition Increase or Decrease in standard product warranty liability due to currency translation. Does not include any Increase or Decrease in an extended product warranty liability due to currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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