XML 11 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document And Entity Information - shares
6 Months Ended
Aug. 24, 2018
Sep. 19, 2018
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Aug. 24, 2018  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2019  
Trading Symbol SCS  
Entity Registrant Name STEELCASE INC  
Entity Central Index Key 0001050825  
Current Fiscal Year End Date --02-22  
Entity Filer Category Large Accelerated Filer  
Common Class A [Member]    
Entity Common Stock, Shares Outstanding   86,340,374
Common Class B [Member]    
Entity Common Stock, Shares Outstanding   30,360,912