Document And Entity Information - USD ($)	12 Months Ended
	Feb. 24, 2017	Apr. 10, 2017	Aug. 26, 2016
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Feb. 24, 2017
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2017
Entity Registrant Name	STEELCASE INC
Entity Central Index Key	0001050825
Current Fiscal Year End Date	--02-24
Entity Filer Category	Large Accelerated Filer
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 1,204,031,913
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Class A Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		86,903,762
Class B Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		31,097,549