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Operations (Narrative) (Details) - Subsequent Event [Member] $ in Millions	3 Months Ended
	Dec. 31, 2016 USD ($)
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent	30.00%
Minimum [Member]
Restructuring Costs	$ 3
Maximum [Member]
Restructuring Costs	$ 4

X

- Definition

The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

+ References

No definition available.

+ Details

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X

- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ 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=66902209&loc=d3e3602-108585

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