Document and Entity Information - shares	6 Months Ended
	Dec. 31, 2016	Jan. 31, 2017
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Fag	false
Document Period End Date	Dec. 31, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Trading Symbol	BR
Entity Registrant Name	BROADRIDGE FINANCIAL SOLUTIONS, INC.
Entity Central Index Key	0001383312
Current Fiscal Year End Date	--06-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		118,276,050