XML 85 R66.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Long-Lived Asset Impairment (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 USD ($) CompressorUnit hp | Jun. 30, 2014 USD ($) CompressorUnit hp | Jun. 30, 2015 USD ($) CompressorUnit hp | Jun. 30, 2014 USD ($) CompressorUnit hp
Idle compressor units |  |  |  |
Long-Lived Asset Impairment |  |  |  |
Number of long-lived assets that the entity determined to retire and either sell or re-utilize key components | CompressorUnit | 80 | 130 | 160 | 170
Horsepower retired from the contract operations business | hp | 52,000 | 35,000 | 82,000 | 46,000
Long-lived asset impairment | $ 14.4 | $ 9.8 | $ 25.8 | $ 13.7
Long-term receivable from the sale of Canadian Operations |  |  |  |
Long-Lived Asset Impairment |  |  |  |
Long-lived asset impairment |  |  | 1.4 |
Other long lived assets |  |  |  |
Long-Lived Asset Impairment |  |  |  |
Long-lived asset impairment | $ 1.0 |  | $ 1.0 |

X
- Definition The number of long-lived assets that the entity determined to retire and either sell or re-utilize key components. + References No definition available. + Details
Name: | exh_LongLivedAssetsToBeRetired
Namespace Prefix: | exh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The capacity of long-lived assets that the entity determined to retire and either sell or re-utilize key components, expressed in horsepower. + References No definition available. + Details
Name: | exh_LongLivedAssetsToBeRetiredHorsepower
Namespace Prefix: | exh_
Data Type: | num:powerItemType
Balance Type: | na
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_ImpairedLongLivedAssetsHeldAndUsedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 225 -Section 45 -Paragraph 11 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28367520&loc=d3e92212-112881 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Impairment -URI http://asc.fasb.org/extlink&oid=6515133 Reference 3: 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=31042434&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=exh_IdleCompressorUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=exh_LongTermReceivableFromSaleOfDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=exh_OtherLongLivedAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |