Fair Value Measurement (Quantitative Information About Recurring and Non-recurring Level 3 Fair Value Measurements) (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Fair Value Inputs
Impairment of intangible assets	$ 523.3	$ 188.0
SHP602 IPR&D
Fair Value Inputs
Impairment of intangible assets		166.0
SHP613
Fair Value Inputs
Impairment of intangible assets		$ 22.0
SHP625
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
IPR&D intangible assets, fair value	120.4
Fair Value Inputs
Impairment of intangible assets	346.6
SHP608
Fair Value Inputs
Impairment of intangible assets	$ 176.7
Recurring Basis \| Contingent Consideration Payable \| Minimum
Fair Value Inputs
Assumed market participant discount rate	0.90%
Cumulative probability of milestones being achieved	4.00%
Periods in which milestones are expected to be achieved	2015
Forecast quarterly royalties payable on net sales of relevant products	$ 0.2
Recurring Basis \| Contingent Consideration Payable \| Maximum
Fair Value Inputs
Assumed market participant discount rate	10.50%
Cumulative probability of milestones being achieved	85.00%
Periods in which milestones are expected to be achieved	2030
Forecast quarterly royalties payable on net sales of relevant products	$ 7.6
Recurring Basis \| Contingent Consideration Payable \| Income approach (probability weighted discounted cash flow)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Liabilities	464.7
Recurring Basis \| Contingent Consideration Receivable \| Income approach (probability weighted discounted cash flow)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets	$ 16.7
Fair Value Inputs
Assumed market participant discount rate	8.70%
Recurring Basis \| Contingent Consideration Receivable \| Income approach (probability weighted discounted cash flow) \| Minimum
Fair Value Inputs
Probability weightings applied to different sales scenarios	10.00%
Future forecast consideration receivable based on contractual terms with purchaser	$ 28.5
Recurring Basis \| Contingent Consideration Receivable \| Income approach (probability weighted discounted cash flow) \| Maximum
Fair Value Inputs
Probability weightings applied to different sales scenarios	70.00%
Future forecast consideration receivable based on contractual terms with purchaser	$ 36.0
Nonrecurring Basis \| SHP625 and SHP608 combined
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
IPR&D intangible assets, fair value	120.4
Fair Value Inputs
Impairment of intangible assets	$ 523.3
Nonrecurring Basis \| Income approach (discounted cash flow) \| Minimum \| SHP625 and SHP608 combined
Fair Value Inputs
Assumed market participant discount rate	9.70%
Probability of regulatory approval being obtained	5.00%
Expected commercial launch date	2018
Nonrecurring Basis \| Income approach (discounted cash flow) \| Maximum \| SHP625 and SHP608 combined
Fair Value Inputs
Assumed market participant discount rate	10.70%
Probability of regulatory approval being obtained	33.00%
Expected commercial launch date	2021

Cumulative probability of milestones being achieved, used as an input to measure fair value.

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Estimated quarterly royalties payable on net sales of relevant products, used as an input to measure fair value.

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Future forecast consideration receivable based on contractual terms with the purchaser, used as an input to measure fair value.

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Periods in which milestones are expected to be achieved, used as an input to measure fair value.

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Probability weightings applied to different sales scenarios, used as an input to measure fair value.

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Periods in which commercial launch date expected to be achieved, used as an input to measure fair value.

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Probability weightings applied to regulatory approval being obtained, used as an input to measure fair value.

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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 (a)

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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.

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Adjustment to the discount rate used to measure fair value for lack of ability to convert business interests into cash quickly.

+ 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 (bbb)

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

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Fair value portion of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

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Fair value of financial and nonfinancial obligations.

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