Condensed Consolidated Balance Sheets - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Document Period End Date	Mar. 31, 2019
Current assets
Cash, cash equivalents and restricted cash	$ 377.9	$ 458.4
Short-term investments	31.5	33.5
Trade receivables, less allowances for doubtful accounts of $58.1 and $58.2, respectively	697.7	737.2
Inventories	663.0	610.1
Prepaid expenses	60.9	57.4
Other current assets	306.3	306.8
Total current assets	2,137.3	2,203.4
Securities and other investments	18.7	22.4
Property, plant and equipment, net of accumulated depreciation and amortization of $513.5 and $494.1, respectively	294.5	304.1
Goodwill	813.6	827.1
Deferred income taxes	208.4	243.9
Intangible assets, net	588.8	624.6
Operating Lease, Right-of-Use Asset	173.3	0.0
Other assets	92.7	86.4
Total assets	4,327.3	4,311.9
Current liabilities
Notes payable	47.2	49.5
Accounts payable	491.8	509.5
Deferred revenue	443.2	378.2
Payroll and other benefits liabilities	167.2	184.3
Operating Lease, Liability, Current	61.7	0.0
Other current liabilities	443.4	446.9
Total current liabilities	1,654.5	1,568.4
Long-term debt	2,191.2	2,190.0
Pensions, post-retirement and other benefits	263.8	273.8
Deferred income taxes	191.1	221.6
Operating Lease, Liability, Noncurrent	110.4	0.0
Other liabilities	91.2	87.3
Commitments and contingencies
Redeemable noncontrolling interests	99.8	130.4
Diebold Nixdorf, Incorporated shareholders' equity
Preferred shares, no par value, 1,000,000 authorized shares, none issued	0.0	0.0
Common shares, $1.25 par value, 125,000,000 authorized shares, 91,937,394 and 91,345,451 issued shares, 76,572,467 and 76,174,025 outstanding shares, respectively	114.9	114.2
Additional capital	761.0	741.8
Retained earnings	(301.0)	(168.3)
Treasury shares, at cost (15,364,927 and 15,152,217 shares, respectively)	(571.5)	(570.4)
Accumulated other comprehensive loss	(304.8)	(303.7)
Total Diebold Nixdorf, Incorporated shareholders' equity	(301.4)	(186.4)
Noncontrolling interests	26.7	26.8
Total equity	(274.7)	(159.6)
Total liabilities, redeemable noncontrolling interests and equity	4,327.3	4,311.9
Customer relationships, net
Current assets
Intangible assets, net	504.6	533.1
Other intangible assets, net
Current assets
Intangible assets, net	$ 84.2	$ 91.5