Document and Entity Information
Jan. 05, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jan. 05, 2022
Entity Registrant Name RICHARDSON ELECTRONICS LTD/DE
Entity Central Index Key 0000355948
Entity Tax Identification Number 36-2096643
Entity Emerging Growth Company false
Entity File Number 0-12906
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 40W267 Keslinger Road
Entity Address, Address Line Two P.O. Box 393
Entity Address, City or Town LaFox
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60147-0393
City Area Code 630
Local Phone Number 208-2200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Trading Symbol RELL
Security 12b Title Common stock, $0.05 Par Value per share
Security Exchange Name NASDAQ