v3.7.0.1
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