Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Amounts attributable to Diebold Nixdorf, Incorporated
Income (loss) from continuing operations, net of tax	$ (52.2)	$ 20.7
Net income attributable to noncontrolling interest	6.6	0.3
Income (loss) before discontinued operations, net of tax	(58.8)	20.4
Income (loss) from discontinued operations, net of tax	0.0	147.8
Net income (loss) attributable to Diebold Nixdorf, Incorporated	$ (58.8)	$ 168.2
Denominator (in millions)
Weighted-average number of common shares used in basic earnings per share	75.3	65.1
Effect of dilutive shares	0.0	0.6
Weighted-average number of shares used in diluted earnings per share	75.3	65.7
Basic earnings (loss) per share
Income (loss) from continuing operations, net of tax	$ (0.78)	$ 0.31
Income (loss) from discontinued operations, net of tax	0.00	2.27
Net income (loss) attributable to Diebold Nixdorf, Incorporated	(0.78)	2.58
Diluted earnings (loss) per share
Income (loss) from continuing operations, net of tax	(0.78)	0.31
Income (loss) from discontinued operations, net of tax	0.00	2.25
Net income (loss) attributable to Diebold Nixdorf, Incorporated	$ (0.78)	$ 2.56
Anti-dilutive shares (in milllions)
Anti-dilutive shares not used in calculating diluted weighted-average	1.9	1.9
Incremental Shares Excluded From Dilutive Calculation Due To Resulting in Operating Loss	0.9