Number of warrants exchanged

No definition available.

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- Definition

Percent of the product of the closing price of common stock on a certain day and the applicable conversion reference rate

+ References

No definition available.

+ Details

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- Definition

Ratio Of Observed Share Price To Conversion Reference Price

+ References

No definition available.

+ Details

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- Definition

Reference principal amount of Cash Convertible Notes to which the ratio is applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted.

+ References

No definition available.

+ Details

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

+ Details

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: 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.(i)(2))

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

+ Details

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ 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 210.5-02.22(a)(1))

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

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-Publisher FASB

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-Section 45

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 27

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3581-108585

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Debt (Cash Convertible Notes) (Narrative) (Details) $ / shares in Units, shares in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Sep. 15, 2011 $ / shares shares	Sep. 15, 2008 USD ($) $ / shares shares
Debt Instrument [Line Items]
Proceeds from convertible note hedge		$ 667,900,000	$ 0
Old warrants
Debt Instrument [Line Items]
Number of warrants exchanged \| shares					41.0
Warrants issued, exercise price per share \| $ / shares						$ 20.00
Old warrants \| Maximum
Debt Instrument [Line Items]
Warrant, number of shares of common stock called by warrants \| shares						43.2
New warrants
Debt Instrument [Line Items]
Warrants issued, exercise price per share \| $ / shares					$ 30.00
Purchased cash convertible note hedge
Debt Instrument [Line Items]
Proceeds from convertible note hedge	$ 667,900,000
Convertible Debt \| Cash Convertible Notes
Debt Instrument [Line Items]
Outstanding principal	$ 412,500,000	$ 412,500,000		$ 573,100,000		$ 575,000,000
Stated percentage rate						3.75%
Effective interest rate	9.50%	9.50%
Ratio of observed share price to conversion reference price		130.00%
Reference principal amount		$ 1,000
Extinguishment of debt amount	$ 828,500,000
Notional amount of debt redeemed	$ 160,600,000
Convertible Debt \| Cash Convertible Notes \| Maximum
Debt Instrument [Line Items]
Percent of closing price of common stock and conversion reference rate			98.00%