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Fair Value Measurements (Acquisition of CyDex) (Details) (Cydex Pharmaceuticals, Inc, USD $) In Millions, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013
Credit Derivatives [Line Items] |  |  |  |
Amount Of Revenue For Contingent Consideration | $ 15 |  |  |
Contingent Consideration Classified as Equity |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Revenue volatility | 25.00% |  | 25.00% |
Average of probability of commercialization | 83.80% |  | 67.60% |
Sales beta | 0.60 |  | 0.60 |
Credit rating | B |  | BBB |
Equity risk premium | 6.00% |  | 6.00% |
Minimum | Contingent Consideration Classified as Equity |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Range of annual revenue subject to revenue sharing | 17.9 | [1] | 4.2 | [1]
Maximum | Contingent Consideration Classified as Equity |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Range of annual revenue subject to revenue sharing | $ 20.5 | [1] | $ 19.8 | [1]
[1] | Revenue subject to revenue sharing represent management’s estimate of the range of total annual revenue subject to revenue sharing (i.e. annual revenues in excess of $15 million) through December 31, 2016, which is the term of the CVR agreement.

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