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Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Equipment rentals and services	$ 60,777	$ 64,309	$ 117,884	$ 132,658
Products	17,567	19,926	34,412	35,417
General and administrative expenses	$ 42,419	55,667	$ 85,144	98,909
As previously reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Equipment rentals and services		52,564		108,365
Products		17,028		29,357
General and administrative expenses		70,310		129,262
Reclassifications
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Equipment rentals and services		11,745		24,293
Products		2,898		6,060
General and administrative expenses		$ (14,643)		$ (30,353)

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Cost of Equipment Rentals and Services

+ References

No definition available.

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- Definition

Total costs related to goods produced and sold during the reporting period.

+ 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 210.5-03.2(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ 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 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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