XML 11 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document And Entity Information - USD ($)
3 Months Ended
May 25, 2018
Jun. 18, 2018
Aug. 25, 2017
Document Type 10-Q    
Amendment Flag false    
Document Period End Date May 25, 2018    
Document Fiscal Period Focus Q1    
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    
Entity Public Float     $ 1,046,223,734
Common Class A [Member]      
Entity Common Stock, Shares Outstanding   86,271,502  
Common Class B [Member]      
Entity Common Stock, Shares Outstanding   30,421,673