v3.25.2
Document And Entity Information
Jul. 30, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 30, 2025
Entity Registrant Name STEPAN COMPANY
Entity Central Index Key 0000094049
Entity Emerging Growth Company false
Entity File Number 1-4462
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 36-1823834
Entity Address, Address Line One 1101 Skokie Boulevard
Entity Address, Address Line Two Suite 500
Entity Address, City or Town Northbrook
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60062
City Area Code 847
Local Phone Number 446-7500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $1 par value
Trading Symbol SCL
Security Exchange Name NYSE