STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Diebold Nixdorf Shareholders' equity	Common stock	Accumulated other comprehensive income (loss)	Paid-in-capital	Retained earnings	Treasury shares	Noncontrolling interests
Beginning balance at Dec. 31, 2023			$ 0.4	$ 7.6	$ 1,038.7	$ 17.1	$ 0.0	$ 15.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0.8					0.3		0.5
Other comprehensive income (loss)	(72.1)			(71.9)				(0.2)
Share-based compensation					4.5
Distributions to non-controlling interest holders, net								(3.4)
Ending balance at Jun. 30, 2024	1,009.0	$ 996.7	0.4	(64.3)	1,043.2	17.4	0.0	12.3
Beginning balance at Mar. 31, 2024			0.4	(30.4)	1,040.6	2.5	0.0	12.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14.8					14.9		(0.1)
Other comprehensive income (loss)	(34.1)			(33.9)				(0.2)
Share-based compensation					2.6
Ending balance at Jun. 30, 2024	1,009.0	996.7	0.4	(64.3)	1,043.2	17.4	0.0	12.3
Beginning balance at Dec. 31, 2024	938.2		0.4	(117.9)	1,048.4	(1.1)	0.0	8.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5.3					3.9		1.4
Other comprehensive income (loss)	196.9			196.9
Share-based compensation					6.3
Purchases							(39.7)
Distributions to non-controlling interest holders, net								(2.0)
Ending balance at Jun. 30, 2025	1,105.0	1,097.2	0.4	79.0	1,054.7	2.8	(39.7)	7.8
Beginning balance at Mar. 31, 2025			0.4	(48.8)	1,051.4	(9.4)	(9.6)	7.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12.7					12.2		0.5
Other comprehensive income (loss)	128.1			127.8				0.3
Share-based compensation					3.3
Purchases							(30.1)
Ending balance at Jun. 30, 2025	$ 1,105.0	$ 1,097.2	$ 0.4	$ 79.0	$ 1,054.7	$ 2.8	$ (39.7)	$ 7.8