Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net sales
Revenues		$ 1,150.2	$ 1,105.6	$ 2,178.3	$ 2,169.8
Cost of sales
Total cost of sales		873.0	887.9	1,657.0	1,713.7
Gross profit		277.2	217.7	521.3	456.1
Selling and administrative expense		222.1	219.8	450.4	447.7
Research, development and engineering expense		36.1	40.6	73.0	82.3
Impairment of assets		0.0	83.1	0.0	83.1
Loss (gain) on sale of assets, net		11.7	0.8	15.1	(6.9)
Total operating expense		269.9	344.3	538.5	606.2
Operating profit (loss)		7.3	(126.6)	(17.2)	(150.1)
Other income (expense)
Interest income		2.2	1.9	5.1	5.4
Interest expense		(49.9)	(28.4)	(100.8)	(54.4)
Foreign exchange loss, net		(5.1)	(3.1)	(2.3)	(4.5)
Miscellaneous, net		(0.4)	(2.7)	(1.8)	(2.8)
Loss before taxes		(45.9)	(158.9)	(117.0)	(206.4)
Income tax expense (benefit)		9.2	(29.8)	69.6	(10.6)
Equity in earnings of unconsolidated subsidiaries		(0.2)	0.8	(0.6)	1.9
Net loss		(55.3)	(128.3)	(187.2)	(193.9)
Net (loss) income attributable to noncontrolling interests		(5.0)	5.1	(4.2)	12.7
Net loss attributable to Diebold Nixdorf, Incorporated		$ (50.3)	$ (133.4)	$ (183.0)	$ (206.6)
Basic and diluted weighted-average shares outstanding	[1]	76.7	76.0	76.5	75.9
Net loss attributable to Diebold Nixdorf, Incorporated
Basic and diluted loss per share		$ (0.66)	$ (1.76)	$ (2.39)	$ (2.72)
Dividends declared and paid per common share		$ 0	$ 0	$ 0	$ 0.10
Service [Member]
Net sales
Revenues		$ 659.3	$ 692.6	$ 1,288.0	$ 1,382.9
Cost of sales
Total cost of sales		491.4	550.6	964.9	1,073.6
Product [Member]
Net sales
Revenues		490.9	413.0	890.3	786.9
Cost of sales
Total cost of sales		381.6	337.3	692.1	640.1
Retained Earnings [Member]
Other income (expense)
Net loss			(133.4)
Net loss attributable to Diebold Nixdorf, Incorporated		$ (50.3)	$ (133.4)	$ (183.0)	$ (206.6)

[1] 1.8 and 0.7 shares for the three months ended June 30, 2019 and 2018, respectively, and 1.5 and 0.8 shares for the six months ended June 30, 2019 and 2018, respectively, would have been included in the weighted-average number of shares used in diluted earnings (loss) per share used in the computation of diluted earnings (loss) per share because their effects are dilutive.