Carrying value of convertible notes surrendered pursuant to the exchange offer.

No definition available.

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- Definition

Aggregate cash paid for the entire amount of convertible notes exchanged pursuant to an exchange offer carried out by the Company.

+ References

No definition available.

+ Details

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- Definition

Adjustment to additional paid in capital for the extinguishment of the equity component of convertible notes as a result of the exchange of the entity's shares and cash for outstanding convertible debt instruments.

+ References

No definition available.

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- Definition

Fair value of the liability component of convertible notes exchanged for the Company's common stock and cash.

+ References

No definition available.

+ Details

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- Definition

Value of shares issued and cash for the exchange of shares and cash for debt instruments which can be exchanged with the issuer by the holder for cash and common stock, at the option of the issuer.

+ References

No definition available.

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- Definition

Shares Issued For Exchange Of Convertible Notes, Number of Shares

+ References

No definition available.

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- Definition

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Name Regulation S-X (SX)

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-Name Regulation S-X (SX)

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-Section 02

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

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- Definition

Interest rate stated in the contractual debt agreement.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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

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-Name Accounting Standards Codification

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Debt (Convertible Notes) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2011 Convertible Notes Exchange Offer [Member]	Jun. 30, 2011 Convertible Notes Exchange Offer [Member]	Dec. 31, 2009 Convertible Notes [Member]
Debt Instrument, Face Amount				$ 20.0	$ 0.2
Debt Instrument, Interest Rate, Stated Percentage						5.50%
Convertible Debt Exchange Cash Paid				3.1
Shares Issued For Exchange Of Convertible Notes, Number of Shares				2.3
Fair market value of common stock at settlement				47.4
Fair Value of Liability Component of Convertible Notes				21.8
Carrying Value of Convertible Notes Exchanged				17.3
Losses related to extinguishments of debt	0	(10.9)	(4.8)	4.8
Equity component of convertible notes, reduction in stockholders' equity			(25.8)
Convertible notes outstanding	$ 0.1