XML 61 R45.htm IDEA: XBRL DOCUMENT
v3.20.2

Summary of Significant Accounting Policies (Goodwill) (Details) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2020 USD ($) segment | Jun. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($)
Goodwill [Line Items] |  |  |  |
Number of reportable segments | segment | 2 |  |  |
Goodwill | $ 210,135 |  | $ 153,422 | $ 154,535
Market Capitalization |  | $ 338,200 |  |
Maximum | Measurement Input, Control Premium [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill Valuation Implied Control Premium |  | 29.10% |  |
Minimum | Measurement Input, Control Premium [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill Valuation Implied Control Premium |  | 17.00% |  |
IoT Products & Services |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill |  | $ 157,100 |  |
IoT Solutions |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill |  | $ 49,600 |  |

X
- Definition Goodwill Valuation Implied Control Premium + References No definition available. + Details
Name: | dgii_GoodwillValuationImpliedControlPremium
Namespace Prefix: | dgii_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Market Capitalization + References No definition available. + Details
Name: | dgii_MarketCapitalization
Namespace Prefix: | dgii_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputControlPremiumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReportingUnitAxis=dgii_IoTProductsandServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReportingUnitAxis=dgii_IoTSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |