Segment Information (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Summary of Segment Information
Net sales		$ 1,289.8	$ 1,119.0	$ 1,105.6	$ 1,064.2	$ 1,249.9	$ 1,122.7	$ 1,133.9	$ 1,102.8	$ 4,578.6	$ 4,609.3	$ 3,316.3
Segment operating profit										(362.9)	(93.5)	(169.8)
Impairment of assets			$ (134.4)	$ (83.1)						(217.5)	(3.1)	(9.8)
Restructuring charges										(65.0)	(49.4)	(59.4)
Other expense										(152.7)	(98.4)	(78.9)
Income (loss) from continuing operations before taxes										(515.6)	(191.9)	(248.7)
Depreciation, Depletion and Amortization										258.7	252.2	134.8
Property, plant and equipment at cost		$ 798.2				$ 783.3				798.2	783.3
Eurasia Banking Segment [Member]
Summary of Segment Information
Net sales										1,800.2	1,903.4	1,232.6
Retail Segment [Member]
Summary of Segment Information
Net sales										1,262.7	1,180.3	516.4
Operating Segments [Member]
Summary of Segment Information
Net sales										4,578.6	4,609.3	3,316.3
Revenue from Related Parties										174.9	130.9	102.0
Segment operating profit										225.0	282.8	224.0
Operating Segments [Member] | Eurasia Banking Segment [Member]
Summary of Segment Information
Net sales										1,800.2	1,903.4	1,232.6
Revenue from Related Parties										161.1	105.0	63.5
Operating Segments [Member] | Americas Banking Segment [Member]
Summary of Segment Information
Net sales										1,515.7	1,525.6	1,567.3
Revenue from Related Parties										13.8	25.9	38.5
Operating Segments [Member] | Retail Segment [Member]
Summary of Segment Information
Net sales										1,262.7	1,180.3	516.4
Revenue from Related Parties										0.0	0.0	0.0
Operating Segments [Member] | Services Segment [Member]
Summary of Segment Information
Segment operating profit										147.1	126.8	88.2
Operating Segments [Member] | Software Segment [Member]
Summary of Segment Information
Segment operating profit										27.6	68.1	101.8
Operating Segments [Member] | Systems Segment [Member]
Summary of Segment Information
Segment operating profit										50.3	87.9	34.0
Corporate, Non-Segment [Member]
Summary of Segment Information
Corporate charges not allocated back to segments	[1]									(62.7)	(62.6)	(69.3)
Segment Reconciling Items [Member]
Summary of Segment Information
Impairment of assets										(217.5)	(3.1)	(9.8)
Restructuring charges										(65.0)	(49.4)	(59.4)
Net non-routine expense										(242.7)	(261.2)	(255.3)
Corporate And Reconciling Items [Member]
Summary of Segment Information
Reconciliation of Operating Profit (Loss) from Segments to Consolidated										$ (587.9)	$ (376.3)	$ (393.8)

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