Potential future milestone payments commitment to third party approximately.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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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No definition available.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Description of the changes in valuation technique(s) and related inputs used to measure fair value.

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Fair Value Measurements (Details Textual) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Feb. 12, 2015	Dec. 31, 2014
Business Acquisition, Contingent Consideration [Line Items]
Asset impairment charges				$ 0.0
Changes in valuation techniques				0
Contingent consideration obligations		$ 302.2		$ 302.2			$ 200.0
Contingent consideration		$ 36.0	$ 0.0	$ 274.5	$ 0.0
6.875% Senior Notes due 2018
Business Acquisition, Contingent Consideration [Line Items]
Stated rate on debt		6.875%		6.875%
Convergence Pharmaceuticals
Business Acquisition, Contingent Consideration [Line Items]
Contingent consideration	$ 274.5
Potential future milestone payments						$ 450.0
Discount rate	2.00%
In-process research and development and other intangible assets						$ 424.6