Document And Entity Information - USD ($)	12 Months Ended
	Feb. 22, 2019	Apr. 09, 2019	Aug. 24, 2018
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Feb. 22, 2019
Document Fiscal Period Focus	Q4
Document Fiscal Year Focus	2019
Entity Registrant Name	STEELCASE INC
Entity Central Index Key	0001050825
Current Fiscal Year End Date	--02-22
Entity Filer Category	Large Accelerated Filer
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 1,192,681,144
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Class A Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		88,249,395
Class B Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		29,064,360