Business and Basis of Presentation	12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business and Basis of Presentation	Business and Basis of Presentation Business: Akorn, Inc., together with its wholly-owned subsidiaries (collectively “Akorn,” the “Company,” “we,” “our” or “us”) is a specialty generic pharmaceutical company that develops, manufactures and markets generic and branded prescription pharmaceuticals and branded and private-label over-the-counter (“OTC”) consumer health products and animal health pharmaceuticals. We are an industry leader in the development, manufacturing and marketing of specialized generic pharmaceutical products. We specialize in difficult-to-manufacture sterile and non-sterile dosage forms including, but not limited to, ophthalmics, injectables, oral liquids, otics, topicals, inhalants and nasal sprays. In previous years the Company completed numerous mergers, acquisitions, product acquisitions, divestitures and dispositions, which resulted in significant growth. Akorn is a Louisiana corporation founded in 1971 in Abita Springs, Louisiana. In 1997, we relocated our corporate headquarters to the Chicago, Illinois area and currently maintain our principal corporate offices in Lake Forest, Illinois. We operate pharmaceutical manufacturing facilities in Decatur, Illinois; Somerset, New Jersey; Amityville, New York; Hettlingen, Switzerland; and Paonta Sahib, Himachal Pradesh, India. We operate a central distribution warehouse in Gurnee, Illinois and additional distribution facilities in Amityville, New York and Decatur, Illinois. Our research and development (“R&D”) centers are located in Vernon Hills, Illinois and Cranbury, New Jersey. In the fourth quarter of 2017, we moved our previous R&D center in Copiague, New York to Cranbury, New Jersey. We maintain other corporate offices in Ann Arbor, Michigan and Gurgaon, Haryana, India. On April 24, 2017, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Fresenius Kabi AG, a German stock corporation (“Parent”), Quercus Acquisition, Inc., a Louisiana corporation and wholly-owned subsidiary of Parent (“Merger Sub”) and, solely for purposes of Article VIII thereof, Fresenius SE & Co. KGaA, a German partnership limited by shares. The Merger Agreement provides for the merger of Merger Sub with and into the Company (the “Merger”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent. Completion of the Merger is subject to the closing conditions outlined in the Merger Agreement.

Business and Basis of Presentation

Business: Akorn, Inc., together with its wholly-owned subsidiaries (collectively “Akorn,” the “Company,” “we,” “our” or “us”) is a specialty generic pharmaceutical company that develops, manufactures and markets generic and branded prescription pharmaceuticals and branded and private-label over-the-counter (“OTC”) consumer health products and animal health pharmaceuticals. We are an industry leader in the development, manufacturing and marketing of specialized generic pharmaceutical products. We specialize in difficult-to-manufacture sterile and non-sterile dosage forms including, but not limited to, ophthalmics, injectables, oral liquids, otics, topicals, inhalants and nasal sprays. In previous years the Company completed numerous mergers, acquisitions, product acquisitions, divestitures and dispositions, which resulted in significant growth.

Akorn is a Louisiana corporation founded in 1971 in Abita Springs, Louisiana. In 1997, we relocated our corporate headquarters to the Chicago, Illinois area and currently maintain our principal corporate offices in Lake Forest, Illinois. We operate pharmaceutical manufacturing facilities in Decatur, Illinois; Somerset, New Jersey; Amityville, New York; Hettlingen, Switzerland; and Paonta Sahib, Himachal Pradesh, India. We operate a central distribution warehouse in Gurnee, Illinois and additional distribution facilities in Amityville, New York and Decatur, Illinois. Our research and development (“R&D”) centers are located in Vernon Hills, Illinois and Cranbury, New Jersey. In the fourth quarter of 2017, we moved our previous R&D center in Copiague, New York to Cranbury, New Jersey. We maintain other corporate offices in Ann Arbor, Michigan and Gurgaon, Haryana, India.

On April 24, 2017, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Fresenius Kabi AG, a German stock corporation (“Parent”), Quercus Acquisition, Inc., a Louisiana corporation and wholly-owned subsidiary of Parent (“Merger Sub”) and, solely for purposes of Article VIII thereof, Fresenius SE & Co. KGaA, a German partnership limited by shares. The Merger Agreement provides for the merger of Merger Sub with and into the Company (the “Merger”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent. Completion of the Merger is subject to the closing conditions outlined in the Merger Agreement.