v3.7.0.1
Document And Entity Information - USD ($)
6 Months Ended
Aug. 25, 2017
Sep. 18, 2017
Aug. 26, 2016
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Aug. 25, 2017    
Document Fiscal Period Focus Q2    
Document Fiscal Year Focus 2018    
Trading Symbol SCS    
Entity Registrant Name STEELCASE INC    
Entity Central Index Key 0001050825    
Current Fiscal Year End Date --02-23    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,204,031,913
Common Class A [Member]      
Entity Common Stock, Shares Outstanding   85,563,050  
Common Class B [Member]      
Entity Common Stock, Shares Outstanding   30,471,915