Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Income tax expense	$ 9.6	$ 29.9	$ 12.2	$ 58.8
Effective tax rate	18.30%	308.20%	19.60%	144.10%

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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DIEBOLD NIXDORF, Inc 10-Q