Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net sales
Services and software	$ 2,873.9	$ 1,983.0	$ 1,434.8
Systems	1,735.4	1,333.3	984.5
Net sales	4,609.3	3,316.3	2,419.3
Cost of sales
Services and software	2,161.0	1,402.2	946.8
Systems	1,438.6	1,192.4	820.5
Total cost of sales	3,599.6	2,594.6	1,767.3
Gross profit	1,009.7	721.7	652.0
Selling and administrative expense	933.7	761.2	488.2
Research, development and engineering expense	155.5	110.2	86.9
Impairment of assets	3.1	9.8	18.9
(Gain) loss on sale of assets, net	(1.0)	(0.3)	0.6
Total operating expense	1,093.3	881.5	593.4
Operating profit (loss)	(83.6)	(159.8)	58.6
Other income (expense)
Interest income	20.3	21.5	26.0
Interest expense	(117.3)	(101.4)	(32.5)
Foreign exchange gain (loss), net	(3.9)	(2.1)	(10.0)
Miscellaneous, net	8.8	3.5	3.7
Income (loss) from continuing operations before taxes	(175.7)	(238.3)	45.8
Income tax (benefit) expense	29.8	(67.6)	(13.7)
Income (loss) from continuing operations, net of tax	(205.5)	(170.7)	59.5
Income from discontinued operations, net of tax	0.0	143.7	15.9
Net income (loss)	(205.5)	(27.0)	75.4
Net income attributable to noncontrolling interests, net of tax	27.6	6.0	1.7
Net income (loss) attributable to Diebold Nixdorf, Incorporated	$ (233.1)	$ (33.0)	$ 73.7
Basic weighted-average shares outstanding	75.5	69.1	64.9
Diluted weighted-average shares outstanding	75.5	69.1	65.6
Basic earnings (loss) per share
Income (loss) before discontinued operations, net of tax	$ (3.09)	$ (2.56)	$ 0.89
Income from discontinued operations, net of tax	0.00	2.08	0.24
Net income (loss) attributable to Diebold Nixdorf, Incorporated	(3.09)	(0.48)	1.13
Diluted earnings (loss) per share
Income (loss) before discontinued operations, net of tax	(3.09)	(2.56)	0.88
Income from discontinued operations, net of tax	0.00	2.08	0.24
Net income (loss) attributable to Diebold Nixdorf, Incorporated	$ (3.09)	$ (0.48)	$ 1.12
Amounts attributable to Diebold Nixdorf, Incorporated
Income (loss) before discontinued operations, net of tax	$ (233.1)	$ (176.7)	$ 57.8
Income from discontinued operations, net of tax	0.0	143.7	15.9
Net income (loss) attributable to Diebold Nixdorf, Incorporated	$ (233.1)	$ (33.0)	$ 73.7
Cash dividends declared and paid per share	$ 0.40	$ 0.96	$ 1.15