Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income (loss) used in basic and diluted earnings (loss) per share
Income (loss) from continuing operations, net of tax		$ 31.7	$ 18.3	$ 19.7	$ (10.2)	$ 31.3	$ 33.1	$ 40.9	$ 2.0	$ 59.5	$ 107.3	$ (190.2)
Income attributable to noncontrolling interests, net of tax		1.7	1.1	1.8	(2.9)	4.1	1.9	1.5	(4.9)	1.7	2.6	5.1
Income (loss) before discontinued operations, net of tax										57.8	104.7	(195.3)
Income from discontinued operations, net of tax										15.9	9.7	13.7
Net income (loss) attributable to Diebold, Incorporated		$ 32.6	$ 21.7	$ 22.2	$ (2.8)	$ 30.0	$ 33.0	$ 41.6	$ 9.8	$ 73.7	$ 114.4	$ (181.6)
Denominator
Weighted-average number of common shares used in basic earnings (loss) per share		65,000	65,000	64,900	64,700	64,600	64,600	64,600	64,300	64,900	64,500	63,700
Effect of dilutive shares (1) (shares)	[1]									700	700	0
Weighted-average number of shares used in diluted earnings (loss) per share (shares)		65,700	65,600	65,600	64,700	65,400	65,300	65,200	64,800	65,600	65,200	63,700
Basic earnings (loss) per share
Income (loss) before discontinued operations, net of tax		$ 0.46	$ 0.26	$ 0.27	$ (0.11)	$ 0.42	$ 0.48	$ 0.61	$ 0.10	$ 0.89	$ 1.62	$ (3.06)
Income from discontinued operations, net of tax		0.04	0.07	0.07	0.07	0.04	0.03	0.03	0.05	0.24	0.15	0.21
Net (loss) income attributable to Diebold, Incorporated (USD per share)		0.50	0.33	0.34	(0.04)	0.46	0.51	0.64	0.15	1.13	1.77	(2.85)
Diluted earnings (loss) per share
Income (loss) before discontinued operations, net of tax		0.46	0.26	0.27	(0.11)	0.42	0.48	0.61	0.11	0.88	1.61	(3.06)
Income from discontinued operations, net of tax		0.04	0.07	0.07	0.07	0.04	0.03	0.03	0.04	0.24	0.15	0.21
Net (loss) income attributable to Diebold, Incorporated		$ 0.50	$ 0.33	$ 0.34	$ (0.04)	$ 0.46	$ 0.51	$ 0.64	$ 0.15	$ 1.12	$ 1.76	$ (2.85)
Anti-dilutive shares
Anti-dilutive shares not used in calculating diluted weighted-average shares (shares)										1,500	1,100	2,600
Incremental shares, excluded from dilutive calculation, due to resulting in operating loss												500

[1] Incremental shares of 0.5 were excluded from the computation of diluted loss per share for the year ended December 31, 2013 because their effect is anti-dilutive due to the loss from continuing operations.