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Document and Entity Information (USD $)
6 Months Ended
Sep. 30, 2011
Oct. 28, 2011
Sep. 30, 2010
Document and Entity Information [Abstract]   
Entity Registrant NameCSS INDUSTRIES INC  
Entity Central Index Key0000020629  
Document Type10-Q  
Document Period End DateSep. 30, 2011
Amendment Flagfalse  
Document Fiscal Year Focus2012  
Document Fiscal Period FocusQ2  
Current Fiscal Year End Date--03-31  
Entity Well-known Seasoned IssuerNo  
Entity Voluntary FilersNo  
Entity Current Reporting StatusYes  
Entity Filer CategoryAccelerated Filer  
Entity Public Float  $ 150,033,335
Entity Common Stock, Shares Outstanding 9,741,451