Document and Entity Information - USD ($)	12 Months Ended
	Jan. 30, 2016	Mar. 21, 2016	Jul. 31, 2015
Entity Registrant Name	DICKS SPORTING GOODS INC
Entity Central Index Key	0001089063
Document Type	10-K
Document Period End Date	Jan. 30, 2016
Amendment Flag	false
Current Fiscal Year End Date	--01-30
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 4,662,073,283
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Common Stock
Entity Common Stock, Shares Outstanding		90,022,393
Class B Common Stock
Entity Common Stock, Shares Outstanding		24,900,870