XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Summary of Significant Accounting Policies - Goodwill (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jun. 30, 2016 | Sep. 30, 2015
Goodwill [Roll Forward] |  |
Goodwill, gross, beginning of year | $ 11,808 |
Accumulated impairment losses | (1,273) |
Goodwill, net, beginning of year | 11,068 | $ 10,535
Goodwill recognized due to acquisitions | 600 |
Net foreign exchange differences | (67) |
Goodwill, gross, end of quarter | 12,324 |
Accumulated impairment losses | (1,256) |
Goodwill, net, end of quarter | 11,068 |
Operating Segments | Solar |  |
Goodwill [Roll Forward] |  |
Goodwill, gross, beginning of year | 6,617 |
Accumulated impairment losses | (1,273) |
Goodwill, net, beginning of year | 5,277 | 5,344
Goodwill recognized due to acquisitions | 0 |
Net foreign exchange differences | (67) |
Goodwill, gross, end of quarter | 6,533 |
Accumulated impairment losses | (1,256) |
Goodwill, net, end of quarter | 5,277 |
Operating Segments | Semiconductor |  |
Goodwill [Roll Forward] |  |
Goodwill, gross, beginning of year | 4,463 |
Accumulated impairment losses | 0 |
Goodwill, net, beginning of year | 5,063 | 4,463
Goodwill recognized due to acquisitions | 600 |
Net foreign exchange differences | 0 |
Goodwill, gross, end of quarter | 5,063 |
Accumulated impairment losses |  |
Goodwill, net, end of quarter | 5,063 |
Operating Segments | Polishing |  |
Goodwill [Roll Forward] |  |
Goodwill, gross, beginning of year | 728 |
Accumulated impairment losses | 0 |
Goodwill, net, beginning of year | 728 | $ 728
Goodwill recognized due to acquisitions | 0 |
Net foreign exchange differences | 0 |
Goodwill, gross, end of quarter | 728 |
Accumulated impairment losses |  |
Goodwill, net, end of quarter | $ 728 |

X
- 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
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before 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 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated impairment loss for 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 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) from foreign currency translation adjustments 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 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillTranslationAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=asys_SolarEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=asys_SemiconductorEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=asys_PolishingSuppliesAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |