XML 63 R52.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Goodwill and Other Identifiable Intangible Assets, Net (Additional Information) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017
--- | --- | --- | --- | --- | ---
Goodwill [Line Items] |  |  |  |  |  |
Goodwill | $ 153,578 | $ 154,535 | [1] |  | $ 149,333 | $ 131,995
Market Capitalization |  |  |  | $ 359,600 |  |
IoT Products & Services Segment |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill | 103,973 | 104,358 |  | $ 104,600 |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  |  | 36.00% |  |
IoT Solutions Segment |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill | $ 49,605 | $ 50,177 |  | $ 50,000 |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  |  | 7.00% |  |
Measurement Input, Control Premium [Member] | Minimum |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill Valuation Implied Control Premium |  |  |  | 5.70% |  |
Measurement Input, Control Premium [Member] | Maximum |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill Valuation Implied Control Premium |  |  |  | 16.40% |  |
[1] | Prior period information has been restated for the adoption of ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which we adopted on October 1, 2018.

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://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=77989000&loc=SL49117168-202975 Reference 2: 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 Percentage of fair value of reporting unit in excess of carrying amount. + References No definition available. + Details
Name: | us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

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