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Financial Instruments, Recurring and Nonrecurring Fair Value Measurements
6 Months Ended
Jun. 30, 2014
Fair Value Disclosures [Abstract]  
Financial Instruments, Recurring and Nonrecurring Fair Value Measurements
5. Financial Instruments, Recurring and Nonrecurring Fair Value Measurements

Recurring Fair Value Measurements

The carrying amounts of the Company’s financial instruments, which include cash and cash equivalents, approximated their fair values as of June 30, 2014 and December 31, 2013 due to the short-term nature of these financial instruments and are considered Level 1 investments. Level 1 investments are investments where there are quoted prices in active markets available for identical assets or liabilities. Accounts receivable, accounts payable, accrued liabilities and capital lease obligations approximated their fair values at June 30, 2014 and December 31, 2013 due to the short-term nature of these financial instruments.

The Company’s convertible senior notes, 2021 senior notes, and term loans are considered Level 1 instruments. The fair values of the convertible senior notes, 2021 senior notes, and term loans were estimated based on the most recent quoted prices for such notes.

 

The fair value of the contingent consideration liability, consisting of future potential milestone payments related to the Santarus, Oceana, Progenics, and Alfa delayed release acquisitions was $128.5 million and $87.3 million at June 30, 2014 and December 31, 2013, respectively. The Company considers this liability a Level 3 instrument in the fair value hierarchy, which is defined as one with significant unobservable inputs. The Company determined fair values based on the income approach using probability-weighted discounted cash flows that included probability assessments of occurrence of triggering events appropriately discounted considering the uncertainties associated with the obligation, calculated in accordance with the terms of the acquisition agreement based on management’s forecasts, and Monte-Carlo simulation models. The most significant unobservable inputs are the probability of receiving FDA approval for the relevant compounds and the subsequent commercial success of these compounds, if approved. The fair value of the related contingent consideration would be minimal if a compound does not receive FDA approval. The Company reviews the fair value of contingent consideration quarterly or whenever events or changes in circumstances occur that indicate there has been a change in the fair value.

The change in the fair value of the contingent consideration liability during the three-month and six-month periods ended June 30, 2014 was a result of the Santarus acquisition and a reduction of the discount periods due to the passage of time.

Nonrecurring Fair Value Measurements

The Company’s non-financial assets, such as goodwill, product rights and intangible assets and property and equipment, are measured at fair value when there is an indicator of impairment, or at least annually, and recorded at fair value only when an impairment charge is recognized. In the event of an impairment, the Company determines the fair value of the goodwill, product rights and intangible assets and property and equipment using a discounted cash flow approach, which contains significant unobservable inputs and therefore is considered a Level 3 fair value measurement. The unobservable inputs in the analysis generally include future cash flow projections and a discount rate.