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Cover Page - USD ($)
$ in Billions
 12 Months Ended
Feb. 26, 2021
Apr. 16, 2021
Aug. 28, 2020
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Feb. 26, 2021    
Document Transition Report false    
Entity File Number 1-13873    
Entity Registrant Name STEELCASE INC    
Entity Central Index Key 0001050825    
Current Fiscal Year End Date --02-26    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
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     $ 1.0
Documents Incorporated by Reference Portions of the registrant’s definitive proxy statement for its 2021 Annual Meeting of Shareholders, to be held on July 14, 2021, 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   90,050,455  
Class B Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   25,613,944