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Restructuring (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Sep. 30, 2017 USD ($) employee | Sep. 30, 2016 USD ($) employee | Sep. 30, 2015 USD ($) employee
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring reserve, beginning balance |  |  | $ 0 | $ 0 | $ 0 | $ 0
Restructuring charge | $ 2,500 | $ 100 | 700 | 2,515 | 753 | 412
Payments for restructuring |  |  |  | (986) | (754) | (403)
Restructuring reversals |  |  |  |  | (6) | (9)
Restructuring foreign currency fluctuation |  |  |  | 127 | 7 |
Restructuring reserve, ending balance |  |  |  | 1,656 | 0 | 0
Employee Severance | 2017 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring reserve, beginning balance |  |  | 0 | 0 | 0 | 0
Restructuring charge |  |  |  | 2,258 | 0 | 0
Payments for restructuring |  |  |  | (845) | 0 | 0
Restructuring reversals |  |  |  |  | 0 | 0
Restructuring foreign currency fluctuation |  |  |  | 115 | 0 |
Restructuring reserve, ending balance |  |  |  | 1,528 | 0 | 0
Employee Severance | 2016 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring reserve, beginning balance |  |  | 0 | 0 | 0 | 0
Restructuring charge |  |  |  | 0 | 558 | 0
Payments for restructuring |  |  |  | 0 | (559) | 0
Restructuring reversals |  |  |  |  | (6) | 0
Restructuring foreign currency fluctuation |  |  |  | 0 | 7 |
Restructuring reserve, ending balance |  |  |  | 0 | 0 | 0
Employee Severance | 2015 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring reserve, beginning balance |  |  | 0 | 0 | 0 | 0
Restructuring charge |  |  |  | 0 | 0 | 412
Payments for restructuring |  |  |  | 0 | 0 | (403)
Restructuring reversals |  |  |  |  | 0 | (9)
Restructuring foreign currency fluctuation |  |  |  | 0 | 0 |
Restructuring reserve, ending balance |  |  |  | 0 | 0 | 0
Facility Closing | 2017 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring reserve, beginning balance |  |  | 0 | 0 | 0 | 0
Restructuring charge |  |  |  | 257 | 0 | 0
Payments for restructuring |  |  |  | (141) | 0 | 0
Restructuring reversals |  |  |  |  | 0 | 0
Restructuring foreign currency fluctuation |  |  |  | 12 | 0 |
Restructuring reserve, ending balance |  |  |  | 128 | 0 | 0
Facility Closing | 2016 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring reserve, beginning balance |  |  | $ 0 | 0 | 0 | 0
Restructuring charge |  |  |  | 0 | 195 | 0
Payments for restructuring |  |  |  | 0 | (195) | 0
Restructuring reversals |  |  |  |  | 0 | 0
Restructuring foreign currency fluctuation |  |  |  | 0 | 0 |
Restructuring reserve, ending balance |  |  |  | $ 0 | $ 0 | $ 0
FRANCE | 2017 Restructuring |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and Related Cost, Number of Positions Eliminated | employee |  |  |  | 8 |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  | $ 2,500 |  |
FRANCE | Employee Severance | 2017 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  | 2,300 |  |
FRANCE | Facility Closing | 2017 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  | $ 200 |  |
UNITED STATES | 2017 Restructuring |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and Related Cost, Number of Positions Eliminated | employee |  |  |  | 10 |  |
UNITED STATES | 2016 Restructuring |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and Related Cost, Number of Positions Eliminated | employee |  |  |  |  | 5 |
UNITED STATES | Employee Severance | 2016 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  |  | $ 100 |
GERMANY | 2016 Restructuring |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and Related Cost, Number of Positions Eliminated | employee |  |  |  |  | 10 |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  |  | $ 700 |
GERMANY | Employee Severance | 2016 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  |  | 500 |
GERMANY | Facility Closing | 2016 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  |  | $ 200 |
INDIA | 2015 Restructuring |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and Related Cost, Number of Positions Eliminated | employee |  |  |  |  |  | 38
INDIA | Employee Severance | 2015 Restructuring |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |
Restructuring charge |  |  |  |  |  | $ 400

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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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