XML 10 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document and Entity Information
Apr. 05, 2021
Entity Information [Line Items]  
Document Type 8-K/A
Document Period End Date Apr. 05, 2021
Entity Registrant Name KELLY SERVICES, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 0-1088
Entity Tax Identification Number 38-1510762
Entity Address, Address Line One 999 WEST BIG BEAVER ROAD
Entity Address, City or Town TROY
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48084
City Area Code 248
Local Phone Number 362-4444
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Description The forgoing information is being furnished pursuant to Item 7.01 of Form 8-K and will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of such Section.
Entity Central Index Key 0000055135
Amendment Flag true
Class A Common  
Entity Information [Line Items]  
Title of 12(b) Security Class A Common
Trading Symbol KELYA
Security Exchange Name NASDAQ
Class B Common  
Entity Information [Line Items]  
Title of 12(b) Security Class B Common
Trading Symbol KELYB
Security Exchange Name NASDAQ