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Restructuring (Details) $ in Thousands | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) employee | Sep. 30, 2016 USD ($) employee | Sep. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve | $ 2,302 | $ 0 | $ 0
Restructuring charge | 2,515 | 753 |
Payments | (269) | (754) |
Reversals | 0 | (6) |
Foreign currency fluctuation | 56 | 7 |
Q1 2016 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charge |  | $ 700 |
Number of employees eliminated | employee |  | 10 |
Q2 2016 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of employees eliminated | employee |  | 5 |
Q3 2017 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charge | 2,500 |  |
Employee Termination Costs | Q1 2016 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve | 0 | $ 0 | 0
Restructuring charge | 0 | 480 |
Payments | 0 | (481) |
Reversals | 0 | (6) |
Foreign currency fluctuation | 0 | 7 |
Employee Termination Costs | Q2 2016 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve | 0 | 0 | 0
Restructuring charge | 0 | 78 |
Payments | 0 | (78) |
Reversals | 0 | 0 |
Foreign currency fluctuation | 0 | 0 |
Employee Termination Costs | Q3 2017 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve | 2,109 | 0 | 0
Restructuring charge | 2,258 | 0 |
Payments | (199) | 0 |
Reversals | 0 | 0 |
Foreign currency fluctuation | 50 | 0 |
Other | Q1 2016 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve | 0 | 0 | 0
Restructuring charge | 0 | 195 |
Payments | 0 | (195) |
Reversals | 0 | 0 |
Foreign currency fluctuation | 0 | 0 |
Other | Q3 2017 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve | 193 | 0 | $ 0
Restructuring charge | 257 | 0 |
Payments | (70) | 0 |
Reversals | 0 | 0 |
Foreign currency fluctuation | 6 | $ 0 |
Primarily France | Other | Q3 2017 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charge | $ 200 |  |
UNITED STATES | Q3 2017 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of employees eliminated | employee | 10 |  |
FRANCE | Q3 2017 Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of employees eliminated | employee | 8 |  |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 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=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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