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Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt

Schedule of Credit Facility

		December 31,
		2011				2010
		(millions)
Borrowings under the revolving credit facility		$	-			$	-
Term loan			85.0				85.0
Letters of credit			19.6				17.3
Available credit			205.4				207.7

Summary of Deferred Financing Costs

		December 31, 2009				Additions				Amortization				December 31, 2010				Additions				Amortization				December 31, 2011
Other current assets:
Bank credit facilities		$	0.5			$	10.6			$	(3.7	)		$	7.4			$	0.5			$	(5.5	)		$	2.4
Deferred financing costs (long-term):
Convertible notes		$	10.0			$	-			$	(1.9	)		$	8.1			$	-			$	(2.6	)		$	5.5
DOE Loan Guarantee application			2.0				0.5				-				2.5				4.2				-				6.7
Deferred financing costs		$	12.0			$	0.5			$	(1.9	)		$	10.6			$	4.2			$	(2.6	)		$	12.2

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Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph f



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(e),(f))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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Summary of Deferred Financing Costs

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