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Other Assets - Narrative (Details) - USD ($) $ in Millions | Dec. 29, 2019 | Jun. 30, 2019 | Dec. 30, 2018
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Intangible assets, accumulated amortization | $ 10.3 |  | $ 5.0
Advances to PersolKelly Asia Pacific | 4.4 |  |
Kenzie Academy Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Equity securities without readily determinable fair value, amount | 1.0 | $ 1.0 |
Other Assets |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets, accumulated amortization | $ 24.7 |  | $ 19.6

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