v3.2.0.727
Document and Entity Information - USD ($)
12 Months Ended
Jun. 30, 2015
Jul. 31, 2015
Dec. 31, 2014
Document Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jun. 30, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Trading Symbol BR    
Entity Registrant Name BROADRIDGE FINANCIAL SOLUTIONS, INC.    
Entity Central Index Key 0001383312    
Current Fiscal Year End Date --06-30    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   118,272,854  
Entity Public Float     $ 5,514,919,514