v2.4.0.6
Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Mar. 31, 2012
Apr. 30, 2012
Sep. 30, 2011
Entity Information [Line Items]      
Entity Registrant Name Prestige Brands Holdings, Inc.    
Entity Central Index Key 0001295947    
Current Fiscal Year End Date --03-31    
Entity Filer Category Accelerated Filer    
Document Type 10-K    
Document Period End Date Mar. 31, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   50,465,933  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 453.0