Cover Page - USD ($) $ in Billions	12 Months Ended
	Feb. 28, 2020	Aug. 23, 2019
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Feb. 28, 2020
Document Transition Report	false
Entity File Number	1-13873
Entity Registrant Name	STEELCASE INC
Entity Central Index Key	0001050825
Current Fiscal Year End Date	--02-28
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2020
Amendment Flag	false
Entity Incorporation, State or Country Code	MI
Entity Tax Identification Number	38-0819050
Entity Address, Address Line One	901 44th Street SE
Entity Address, City or Town	Grand Rapids,
Entity Address, State or Province	MI
Entity Address, Postal Zip Code	49508
City Area Code	616
Local Phone Number	247-2710
Title of 12(b) Security	Class A Common Stock
Trading Symbol	SCS
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float		$ 1.3
Documents Incorporated by Reference	Portions of the registrant’s definitive proxy statement for its 2020 Annual Meeting of Shareholders, to be held on July 15, 2020, are incorporated by reference in Part III of this Form 10-K.
Class A Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding	87,826,160
Class B Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding	26,933,389