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Interest and Other Expenses (Income), Net - Schedule of Interest and Other Expenses (Income), Net (Parenthetical) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($)
Manpower Switzerland | Interest and Other Expenses (Income), Net |
Other Non Operating Income Expense [Line Items] |
Gain on disposition of remaining controlling interest | $ 80.4

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Balance Type: | credit
Period Type: | duration

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Namespace Prefix: | man_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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- Details
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