Supplemental Guarantor Information Supplemental Guarantor Information (Condensed Consolidating Statements of Operations and Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Total net sales	$ 983.3	$ 589.6	$ 2,072.9	$ 1,808.9
Cost of sales	785.7	439.3	1,581.4	1,328.6
Gross profit	197.6	150.3	491.5	480.3
Selling and administrative expense	253.5	117.8	506.4	363.2
Research, development and engineering expense	31.3	20.0	67.4	66.2
Impairment of assets	0.0	0.0	0.0	18.9
(Gain) loss on sale of assets, net	(0.5)	0.1	(0.2)	(1.4)
Operating expense	284.3	137.9	573.6	446.9
Operating profit (loss)	(86.7)	12.4	(82.1)	33.4
Other income (expense)
Interest income	5.3	5.9	16.5	20.6
Interest expense	(32.4)	(8.5)	(68.2)	(24.1)
Foreign exchange gain (loss), net	2.0	1.3	(1.6)	(9.2)
Equity in earnings of subsidiaries	0.0	0.0	0.0	0.0
Miscellaneous, net	(4.2)	(1.4)	3.6	(1.7)
Income (loss) from continuing operations before taxes	(116.0)	9.7	(131.8)	19.0
Income tax (benefit) expense	(18.8)	(8.5)	(34.5)	(8.8)
Income (loss) from continuing operations, net of tax	(97.2)	18.2	(97.3)	27.8
Income (loss) from discontinued operations, net of tax	(4.6)	4.7	143.7	13.4
Net income (loss)	(101.8)	22.9	46.4	41.2
Net income attributable to noncontrolling interest	0.5	1.2	1.6	0.1
Net income (loss) attributable to Diebold, Incorporated	(102.3)	21.7	44.8	41.1
Comprehensive income (loss)	(106.5)	(47.2)	89.8	(85.3)
Less: comprehensive income (loss) attributable to noncontrolling interests	0.5	0.5	1.1	(0.3)
Comprehensive income (loss) attributable to Diebold, Incorporated	(107.0)	(47.7)	88.7	(85.0)
Parent Company [Member]
Total net sales	279.6	238.9	819.5	719.8
Cost of sales	211.4	161.9	601.1	478.9
Gross profit	68.2	77.0	218.4	240.9
Selling and administrative expense	28.6	62.7	184.6	197.8
Research, development and engineering expense	0.9	1.9	3.3	6.4
Impairment of assets				0.0
(Gain) loss on sale of assets, net	0.0	0.1	0.2	0.3
Operating expense	29.5	64.7	188.1	204.5
Operating profit (loss)	38.7	12.3	30.3	36.4
Other income (expense)
Interest income	0.9	(0.6)	1.9	(0.2)
Interest expense	(33.4)	(7.9)	(68.3)	(22.1)
Foreign exchange gain (loss), net	1.7	3.8	(1.3)	4.3
Equity in earnings of subsidiaries	(94.7)	(0.6)	(64.4)	(2.2)
Miscellaneous, net	(3.4)	(3.2)	3.0	(1.6)
Income (loss) from continuing operations before taxes	(90.2)	3.8	(98.8)	14.6
Income tax (benefit) expense	7.5	(13.5)	(9.8)	(13.8)
Income (loss) from continuing operations, net of tax	(97.7)	17.3	(89.0)	28.4
Income (loss) from discontinued operations, net of tax	(4.6)	4.4	133.8	12.7
Net income (loss)	(102.3)	21.7	44.8	41.1
Net income attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Diebold, Incorporated	(102.3)	21.7	44.8	41.1
Comprehensive income (loss)	(107.0)	(47.7)	88.7	(85.0)
Less: comprehensive income (loss) attributable to noncontrolling interests	0.0	0.0	0.0	0.0
Comprehensive income (loss) attributable to Diebold, Incorporated	(107.0)	(47.7)	88.7	(85.0)
Guarantor Subsidiaries [Member]
Total net sales	22.5	39.2	75.2	141.5
Cost of sales	24.5	41.4	80.6	149.3
Gross profit	(2.0)	(2.2)	(5.4)	(7.8)
Selling and administrative expense	2.8	2.2	8.3	8.0
Research, development and engineering expense	10.8	13.7	34.6	45.4
Impairment of assets				9.1
(Gain) loss on sale of assets, net	(0.1)	0.0	(0.1)	(0.2)
Operating expense	13.5	15.9	42.8	62.3
Operating profit (loss)	(15.5)	(18.1)	(48.2)	(70.1)
Other income (expense)
Interest income	0.1	0.2	0.5	0.9
Interest expense	0.0	0.0	(0.1)	(0.1)
Foreign exchange gain (loss), net	(0.1)	0.1	(0.1)	0.0
Equity in earnings of subsidiaries	0.0	0.0	0.0	0.0
Miscellaneous, net	2.2	3.2	5.4	10.1
Income (loss) from continuing operations before taxes	(13.3)	(14.6)	(42.5)	(59.2)
Income tax (benefit) expense	1.4	(4.2)	(3.5)	(14.2)
Income (loss) from continuing operations, net of tax	(14.7)	(10.4)	(39.0)	(45.0)
Income (loss) from discontinued operations, net of tax	0.0	0.0	0.0	0.0
Net income (loss)	(14.7)	(10.4)	(39.0)	(45.0)
Net income attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Diebold, Incorporated	(14.7)	(10.4)	(39.0)	(45.0)
Comprehensive income (loss)	(14.7)	(10.4)	(39.0)	(45.0)
Less: comprehensive income (loss) attributable to noncontrolling interests	0.0	0.0	0.0	0.0
Comprehensive income (loss) attributable to Diebold, Incorporated	(14.7)	(10.4)	(39.0)	(45.0)
Non-Guarantor Subsidiaries [Member]
Total net sales	703.3	350.1	1,252.1	1,087.7
Cost of sales	571.9	274.3	973.0	839.6
Gross profit	131.4	75.8	279.1	248.1
Selling and administrative expense	222.1	52.9	313.5	157.4
Research, development and engineering expense	19.6	4.4	29.5	14.4
Impairment of assets				9.8
(Gain) loss on sale of assets, net	(0.4)	0.0	(0.3)	(1.5)
Operating expense	241.3	57.3	342.7	180.1
Operating profit (loss)	(109.9)	18.5	(63.6)	68.0
Other income (expense)
Interest income	4.3	6.3	14.1	19.9
Interest expense	1.0	(0.6)	0.2	(1.9)
Foreign exchange gain (loss), net	0.4	(2.6)	(0.2)	(13.5)
Equity in earnings of subsidiaries	0.0	0.0	0.0
Miscellaneous, net	(3.0)	(1.4)	(4.8)	(10.2)
Income (loss) from continuing operations before taxes	(107.2)	20.2	(54.3)	62.3
Income tax (benefit) expense	(27.7)	9.2	(21.2)	19.2
Income (loss) from continuing operations, net of tax	(79.5)	11.0	(33.1)	43.1
Income (loss) from discontinued operations, net of tax	0.0	0.3	9.9	0.7
Net income (loss)	(79.5)	11.3	(23.2)	43.8
Net income attributable to noncontrolling interest	0.5	1.2	1.6	0.1
Net income (loss) attributable to Diebold, Incorporated	(80.0)	10.1	(24.8)	43.7
Comprehensive income (loss)	(81.9)	(64.5)	27.6	(93.8)
Less: comprehensive income (loss) attributable to noncontrolling interests	0.5	0.5	1.1	(0.3)
Comprehensive income (loss) attributable to Diebold, Incorporated	(82.4)	(65.0)	26.5	(93.5)
Reclassifications And Eliminations [Member]
Total net sales	(22.1)	(38.6)	(73.9)	(140.1)
Cost of sales	(22.1)	(38.3)	(73.3)	(139.2)
Gross profit	0.0	(0.3)	(0.6)	(0.9)
Selling and administrative expense	0.0	0.0	0.0	0.0
Research, development and engineering expense	0.0	0.0	0.0	0.0
Impairment of assets				0.0
(Gain) loss on sale of assets, net	0.0	0.0	0.0	0.0
Operating expense	0.0	0.0	0.0	0.0
Operating profit (loss)	0.0	(0.3)	(0.6)	(0.9)
Other income (expense)
Interest income	0.0	0.0	0.0	0.0
Interest expense	0.0	0.0	0.0	0.0
Foreign exchange gain (loss), net	0.0	0.0	0.0	0.0
Equity in earnings of subsidiaries	94.7	0.6	64.4	2.2
Miscellaneous, net	0.0	0.0	0.0	0.0
Income (loss) from continuing operations before taxes	94.7	0.3	63.8	1.3
Income tax (benefit) expense	0.0	0.0	0.0	0.0
Income (loss) from continuing operations, net of tax	94.7	0.3	63.8	1.3
Income (loss) from discontinued operations, net of tax	0.0	0.0	0.0	0.0
Net income (loss)	94.7	0.3	63.8	1.3
Net income attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Diebold, Incorporated	94.7	0.3	63.8	1.3
Comprehensive income (loss)	97.1	75.4	12.5	138.5
Less: comprehensive income (loss) attributable to noncontrolling interests	0.0	0.0	0.0	0.0
Comprehensive income (loss) attributable to Diebold, Incorporated	$ 97.1	$ 75.4	$ 12.5	$ 138.5