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Interest and Other (Income) Expenses, Net - Schedule of Interest and Other (Income) Expenses, Net (Parenthetical) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Apr. 03, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Manpower Switzerland | Interest and Other (Income) Expenses, Net
Other Nonoperating Income (Expense) [Line Items]
Gain on acquisition of remaining controlling interest	$ 80.4	$ 80.4	$ 80.4	$ 80.4	$ 80.4

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- Definition

Business combination non cash gain on disposition of previously held equity interest.

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- Definition

Other non operating income expense.

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