v2.4.0.8
Document and Entity Information (USD $)
12 Months Ended
Dec. 31, 2013
Mar. 03, 2014
Jun. 30, 2013
Document and Entity Information [Abstract]      
Entity Registrant Name AKORN INC    
Entity Central Index Key 0000003116    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 742,940,000
Entity Common Stock, Shares Outstanding   96,652,900  
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2013