Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income (loss) used in basic and diluted earnings (loss) per share
Income (loss) from continuing operations, net of tax		$ (73.4)	$ (97.2)	$ (20.8)	$ 20.7	$ 31.7	$ 18.3	$ 19.7	$ (10.2)	$ (170.7)	$ 59.5	$ 107.3
Net income attributable to noncontrolling interests, net of tax		4.4	0.5	0.8	0.3	1.7	1.1	1.8	(2.9)	6.0	1.7	2.6
Income (loss) before discontinued operations, net of tax										(176.7)	57.8	104.7
Income (loss) from discontinued operations, net of tax										143.7	15.9	9.7
Net income (loss) attributable to Diebold Nixdorf, Incorporated		$ (77.8)	$ (102.3)	$ (21.1)	$ 168.2	$ 32.6	$ 21.7	$ 22.2	$ (2.8)	$ (33.0)	$ 73.7	$ 114.4
Denominator
Weighted-average number of common shares used in basic earnings (loss) per share		75.1	70.9	65.2	65.1	65.0	65.0	64.9	64.7	69.1	64.9	64.5
Effect of dilutive shares (1) (shares)	[1]									0.0	0.7	0.7
Weighted-average number of shares used in diluted earnings (loss) per share (shares)		75.1	70.9	65.2	65.7	65.7	65.6	65.6	64.7	69.1	65.6	65.2
Basic earnings (loss) per share
Income (loss) before discontinued operations, net of tax		$ (1.04)	$ (1.38)	$ (0.33)	$ 0.31	$ 0.46	$ 0.26	$ 0.27	$ (0.11)	$ (2.56)	$ 0.89	$ 1.62
Income (loss) from discontinued operations, net of tax		0.00	(0.06)	0.01	2.27	0.04	0.07	0.07	0.07	2.08	0.24	0.15
Net (loss) income attributable to Diebold, Incorporated (USD per share)		(1.04)	(1.44)	(0.32)	2.58	0.50	0.33	0.34	(0.04)	(0.48)	1.13	1.77
Diluted earnings (loss) per share
Income (loss) before discontinued operations, net of tax		(1.04)	(1.38)	(0.33)	0.31	0.46	0.26	0.27	(0.11)	(2.56)	0.88	1.61
Income (loss) from discontinued operations, net of tax		0.00	(0.06)	0.01	2.25	0.04	0.07	0.07	0.07	2.08	0.24	0.15
Net (loss) income attributable to Diebold, Incorporated		$ (1.04)	$ (1.44)	$ (0.32)	$ 2.56	$ 0.50	$ 0.33	$ 0.34	$ (0.04)	$ (0.48)	$ 1.12	$ 1.76
Anti-dilutive shares
Anti-dilutive shares not used in calculating diluted weighted-average shares (shares)										2.1	1.5	1.1
Incremental shares, excluded from dilutive calculation, due to resulting in operating loss										0.6

[1] Incremental shares of 0.6 were excluded from the computation of diluted loss per share for the year ended December 31, 2016 because their effect is anti-dilutive due to the loss from continuing operations.