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Long-Lived Asset Impairment (Details) (Idle compressor units, USD $) In Millions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014 hp CompressorUnit | Mar. 31, 2013 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 | 40 | 85
Horsepower retired from the contract operations business | 11,000 | 19,000
Long-lived asset impairment | $ 3.8 | $ 3.6

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- 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
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- 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
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- Details
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- 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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: 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 Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Impairment -URI http://asc.fasb.org/extlink&oid=6515133 + Details
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