Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current assets
Allowance for doubtful accounts	$ 3.1	$ 3.6
Accumulated depreciation and amortization	$ 28.3	$ 14.3
Diebold Nixdorf, Incorporated shareholders' equity
Preferred shares, shares authorized (in shares)	2,000,000	2,000,000
Preferred shares, shares issued (in shares)	0	0
Common shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares, shares authorized (in shares)	45,000,000	45,000,000
Common shares, shares issued (in shares)	37,566,668	37,566,668
Common shares, shares outstanding (in shares)	37,566,668	37,566,668