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SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES (Details) | 3 Months Ended
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Mar. 31, 2015
Revenue Recognition [Abstract] |
Minimum contract period | 1 year
Maximum contract period | 2 years

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- Definition The maximum period of service contracts. + References No definition available. + Details
Name: | dxpe_MaximumContractPeriod
Namespace Prefix: | dxpe_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The minimum period of a service contract. + References No definition available. + Details
Name: | dxpe_MinimumContractPeriod
Namespace Prefix: | dxpe_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RevenueRecognitionAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration