v2.4.0.8
Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Mar. 31, 2015
May 01, 2015
Sep. 30, 2014
Document and Entity Information [Abstract]      
Entity Registrant Name Prestige Brands Holdings, Inc.    
Entity Central Index Key 0001295947    
Current Fiscal Year End Date --03-31    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Mar. 31, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   52,296,021  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 1,684.6