XML 20 R25.htm IDEA: XBRL DOCUMENT v2.4.1.9

Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2015

Property Plant And Equipment [Abstract]

Property and Equipment

Property and equipment consisted of the following at March 31, 2015 and December 31, 2014 (in thousands):

	March 31,				December 31,
	2015				2014
Equipment	$	6,891,544			$	6,679,894
Oil and natural gas properties		200,390				196,234
Buildings		88,393				83,465
Land		12,024				12,038
		7,192,351				6,971,631
Less accumulated depreciation, depletion and impairment		(2,969,947	)			(2,840,560	)
Property and equipment, net	$	4,222,404			$	4,131,071

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph b

-Article 5

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration