Document and Entity Information
Document and Entity Information | Nov. 05, 2020 | Aug. 06, 2020 |
Entity Information [Line Items] | ||
Document Type | 8-K | |
Document Period End Date | Nov. 5, 2020 | |
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 | |
Entity Emerging Growth Company | false | |
Pre-commencement Issuer Tender Offer | false | |
Entity Central Index Key | 0000055135 | |
Amendment Flag | false | |
NASDAQ Global Market | Class A Common | ||
Entity Information [Line Items] | ||
Title of 12(b) Security | Class A Common | |
Trading Symbol | KELYA | |
Security Exchange Name | NASDAQ | |
NASDAQ Global Market | Class B Common | ||
Entity Information [Line Items] | ||
Title of 12(b) Security | Class B Common | |
Trading Symbol | KELYB | |
Security Exchange Name | NASDAQ |