Nature of Operations (Details)	Feb. 28, 2020
Nature of Operations [Abstract]
Entity Number of Employees	12,700
Number of Principal Locations	24
Number of Distribution Locations	800

The number of principal manufacturing and distribution center locations.

No definition available.

Name:	scs_NumberOfPrincipalLocations
Namespace Prefix:	scs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant