Legal Matters.

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- Definition

Loss Contingency, Collateral Requested For Appeal Bond

+ References

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- Definition

Loss Contingency, Damages Awarded, Increase (Decrease) From Appeal

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- Definition

Number Of Days To Request Writ To Review Case

+ References

No definition available.

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- Definition

Interest expense (income) directly attributable to an award in settlement of litigation.

+ References

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

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- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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Legal Matters (Details) - WesternGeco [Member] - Settled Litigation [Member] $ in Millions			1 Months Ended					36 Months Ended
	Oct. 30, 2015	Aug. 31, 2012 USD ($)	May. 31, 2014 USD ($)	Apr. 30, 2014 USD ($)	Oct. 31, 2013 USD ($)	Aug. 31, 2012 USD ($)	Jun. 30, 2009 Patent	Jul. 02, 2015 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)
Legal Matters (Textual) [Abstract]
Number of patent apparatus claims contained \| Patent							4
Total damages awarded		$ 105.9	$ 123.8
Accrual for loss contingency related to legal proceedings									$ 22.0	$ 123.8
Prejudgment interest expense accrued								$ 10.9
Number of days to request writ to review Case	90 days
Collateral requested for appeal bond									$ 11.0
Lost Royalties [Member]
Legal Matters (Textual) [Abstract]
Total damages awarded		12.5
Lost Profits [Member]
Legal Matters (Textual) [Abstract]
Total damages awarded		$ 93.4		$ 9.4	$ 73.1	$ 93.4
Reduction in damages awarded in case				$ 3.0
Accrual for loss contingency related to legal proceedings			$ 123.8