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Basis of Presentation and Accounting Policies - Additional Information (Details) € in Millions, $ in Millions |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 10, 2019 | Jul. 09, 2019 | Apr. 30, 2019 USD ($) | Apr. 30, 2019 EUR (€) | Apr. 30, 2018 USD ($) | Apr. 30, 2018 EUR (€) | Jun. 30, 2019 USD ($) | Jun. 30, 2019 USD ($)
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Net proceeds from sale of tax credits |  |  | $ 103.5 | € 92.0 | $ 234.5 | € 190.9 |  |
Noncash goodwill impairment charge |  |  |  |  |  |  | $ 64.0 | $ 64.0
ManpowerGroup Greater China Limited | Initial Public Offering |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Percentage of diluted ownership interest, description |  |  |  |  |  |  |  | 36.87% if the underwriters exercise their overallotment option in full.
Subsequent Event | ManpowerGroup Greater China Limited | Initial Public Offering |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Percentage of shares issued in equity | 25.00% |  |  |  |  |  |  |
Percentage of diluted ownership interest | 38.25% |  |  |  |  |  |  |
Percentage of diluted ownership interest, if underwriter exercises of overallotment option in full | 36.87% |  |  |  |  |  |  |
Northern Europe | Germany |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Noncash goodwill impairment charge |  |  |  |  |  |  | 60.2 |
APME | Subsequent Event | ManpowerGroup Greater China Limited |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Percentage of controlling interest |  | 51.00% |  |  |  |  |  |
APME | New Zealand |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Noncash goodwill impairment charge |  |  |  |  |  |  | $ 3.8 |

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