Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended										6 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	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Impairment of assets	$ 9.8											$ 9.8	$ 18.9	$ 2.1
Devaluation Of Consolidated Entity Balance Sheet								$ 7.5	$ 12.1			0.0	7.5	12.1
Net sales	1,243.4	$ 983.3	$ 580.0	$ 509.6	$ 610.4	$ 589.6	$ 644.5	574.8				3,316.3	2,419.3	2,734.8
Gross profit (loss)	230.2	197.6	155.1	138.8	171.6	150.3	170.8	159.3				721.7	652.0	726.2
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
Income (loss) from discontinued operations, net of tax	0.0	(4.6)	0.5	147.8	2.6	4.5	4.3	4.5				143.7	15.9	9.7
Net income (loss)	(73.4)	(101.8)	(20.3)	168.5	34.3	22.8	24.0	(5.7)				(27.0)	75.4	117.0
Net (loss) income attributable to noncontrolling interests	4.4	0.5	0.8	0.3	1.7	1.1	1.8	(2.9)				6.0	1.7	2.6
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
Basic earnings (loss) per share
Income (loss) from continuing 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 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
Basic weighted-average shares outstanding	75.1	70.9	65.2	65.1	65.0	65.0	64.9	64.7				69.1	64.9	64.5
Diluted weighted-average shares outstanding	75.1	70.9	65.2	65.7	65.7	65.6	65.6	64.7				69.1	65.6	65.2
Undistributed earnings	$ 6.5				$ 7.3							$ 6.5	$ 7.3
Valuation allowance	$ 87.8				$ 63.9							87.8	$ 63.9
Impairment loss												$ 0.0
Voluntary Early Retirement Program [Member] | Pension Benefits
Diluted earnings (loss) per share
Pension Expense										$ (67.6)
VENEZUELA
Impairment of assets							$ (1.0)	$ 10.3			$ 9.3