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Warrants And Other Derivatives (Schedule Of Fair Value Assumptions Used To Calculate The Value Of The Convertible Note Derivative Feature) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended	6 Months Ended
	Apr. 04, 2012	Jun. 30, 2012	Sep. 30, 2012
Warrants and Rights Note Disclosure [Abstract]
Expected Volatility	75.00%	71.00%	70.00%
Risk Free Rate	0.44%	0.33%	0.23%
Bond Yield	15.00%	16.00%	15.00%
Recovery Rate	30.00%	30.00%	30.00%
Redeemable	yes	yes	yes
Total Time (years)	2 years 5 months	2 years 3 months 11 days	2 years 4 days
Dilution Effect	yes	yes	yes
Indicated Percent of Par	117.00%	121.00%	108.00%
Fair Value	$ 3.8	$ 4.5	$ 2.8

X

- Definition

Fair value assumptions, conversion option, fair value.

+ References

No definition available.

+ Details

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X

- Definition

Fair value assumptions, dilution effect.

+ References

No definition available.

+ Details

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X

- Definition

Fair value assumptions, percent of par.

+ References

No definition available.

+ Details

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X

- Definition

Fair value assumptions, recovery rate.

+ References

No definition available.

+ Details

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- Definition

Fair value assumptions, redeemable.

+ References

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X

- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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