XML 75 R59.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Segment Information and Major Customers Summary of Operating Results by Segment (Details) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2017 USD ($) segment | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of reportable segments | segment | 2 |  |
Revenue | $ 181,634 | $ 203,005 | $ 203,847
Operating income (loss) | 8,807 | 17,105 | 10,889
Depreciation and amortization | 5,497 | 4,584 | 5,347
M2M |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 174,237 | 202,294 | 203,847
Operating income (loss) | 12,804 | 18,822 | 10,889
Depreciation and amortization | 3,575 | 4,040 | 5,347
Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 7,397 | 711 | 0
Operating income (loss) | (3,997) | (1,717) | 0
Depreciation and amortization | $ 1,922 | $ 544 | $ 0

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: 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 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=dgii_M2MMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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