XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Supporting Financial Information - Goodwill and Intangible Asset Adjustment (Details) $ in Thousands | 6 Months Ended
--- | ---
Mar. 31, 2017 USD ($)
Goodwill [Roll Forward] |
Goodwill, Gross Period Start | $ 34,745
Goodwill, Measurement Period Adjustment | (8,756)
Goodwill, Gross Period End | 25,989
Goodwill and Finite Lived Intangible Assets Total [Roll Forward] |
Goodwill and Finite-Lived Intangible Assets, Gross Period Start | 43,362
Goodwill Purchase Accounting Adjustment and Finite-Lived Intangible Asset Measurement Period Adjustment | 250
Goodwill and Finite-Lived Intangible Assets, Gross Period End | 43,612
Customer Relationships [Member] |
Indefinite-lived Intangible Assets [Roll Forward] |
Finite-Lived Intangible Assets, Gross, Period Start | 7,247
Finite-Lived Intangible Assets, Measurement Period Adjustment | 9,379
Finite-Lived Intangible Assets, Gross, Period End | 16,626
Noncompete Agreements [Member] |
Indefinite-lived Intangible Assets [Roll Forward] |
Finite-Lived Intangible Assets, Gross, Period Start | 1,370
Finite-Lived Intangible Assets, Measurement Period Adjustment | (890)
Finite-Lived Intangible Assets, Gross, Period End | 480
Trade Names [Member] |
Indefinite-lived Intangible Assets [Roll Forward] |
Finite-Lived Intangible Assets, Gross, Period Start | 0
Finite-Lived Intangible Assets, Measurement Period Adjustment | 517
Finite-Lived Intangible Assets, Gross, Period End | $ 517

X
- Definition Finite-Lived Intangible Assets, Gross (Including Goodwill) + References No definition available. + Details
Name: | dlhc_FiniteLivedIntangibleAssetsGrossIncludingGoodwill
Namespace Prefix: | dlhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite Lived Intangible Assets Total [Roll Forward] + References No definition available. + Details
Name: | dlhc_FiniteLivedIntangibleAssetsTotalRollForward
Namespace Prefix: | dlhc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Goodwill Purchase Accounting Adjustment and Finite-Lived Intangible Asset Measurement Period Adjustment + References No definition available. + Details
Name: | dlhc_GoodwillPurchaseAccountingAdjustmentandFiniteLivedIntangibleAssetMeasurementPeriodAdjustment
Namespace Prefix: | dlhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for purchase accounting adjustments. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments
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 increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the 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 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillPurchaseAccountingAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |