Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash, cash equivalents and restricted cash	$ 224.3	$ 324.5
Short-term investments	8.1	37.2
Receivables, Net, Current	638.6	646.9
Inventories	587.5	498.2
Prepaid expenses	48.9	58.8
Current assets held for sale	59.4	64.7
Other current assets	249.6	227.0
Total current assets	1,816.4	1,857.3
Securities and other investments	10.6	10.3
Property, Plant and Equipment, Net	154.3	177.5
Goodwill	779.1	800.4
Deferred income taxes	102.5	97.5
Intangible assets, net	396.1	448.6
Other Assets, Noncurrent	316.4	306.5
Total assets	3,535.1	3,657.4
Current liabilities
Notes payable	32.9	10.7
Accounts payable	561.5	499.9
Deferred revenue	299.3	346.8
Payroll and other benefits liabilities	211.7	226.6
Disposal Group, Including Discontinued Operation, Liabilities	16.6	15.4
Other current liabilities	469.4	550.1
Total current liabilities	1,591.4	1,649.5
Long-term debt	2,318.7	2,335.7
Pensions, post-retirement and other benefits	218.6	228.7
Deferred income taxes	103.4	103.4
Other liabilities	145.6	152.6
Redeemable noncontrolling interests	0.0	19.2
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, 94,593,267 and 93,534,866 issued shares, 78,348,114 and 77,678,984 outstanding shares, respectively	118.2	116.9
Additional capital	813.8	787.9
Retained earnings (accumulated deficit)	(780.7)	(742.3)
Treasury shares, at cost (16,245,153 and 15,855,882 shares, respectively)	(582.1)	(576.7)
Accumulated other comprehensive loss	(420.5)	(412.9)
Total Diebold Nixdorf, Incorporated shareholders' equity	(851.3)	(827.1)
Noncontrolling interests	8.7	(4.6)
Total equity	(842.6)	(831.7)
Total liabilities, redeemable noncontrolling interests and equity	3,535.1	3,657.4
Customer relationships [Member]
Current assets
Intangible assets, net	$ 355.8	$ 407.9