Segment Information Revenue By Service/Product Solution (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net Sales									100.00%	100.00%
Net sales summary by segment	$ 1,151.6	$ 1,078.8	$ 1,150.2	$ 1,028.1	$ 1,289.8	$ 1,119.0	$ 1,105.6	$ 1,064.2	$ 4,408.7	$ 4,578.6	$ 4,609.3
Service [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									2,608.0	2,789.5	2,785.3
Product [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									1,800.7	1,789.1	1,824.0
Eurasia Banking Segment [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									1,649.8	1,800.2	1,903.4
Eurasia Banking Segment [Member] | Service [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									993.6	1,111.8	1,133.1
Eurasia Banking Segment [Member] | Product [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									656.2	688.4	770.3
Americas Banking Segment [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									1,604.1	1,515.7	1,525.6
Americas Banking Segment [Member] | Service [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									1,002.5	1,025.8	1,043.9
Americas Banking Segment [Member] | Product [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									601.6	489.9	481.7
Retail Segment [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									1,154.8	1,262.7	1,180.3
Retail Segment [Member] | Service [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									612.0	651.9	608.3
Retail Segment [Member] | Product [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									$ 542.8	$ 610.8	$ 572.0
Transferred at Point in Time [Member]
Segment Reporting Information [Line Items]
Net Sales									41.00%	39.00%
Transferred over Time [Member]
Segment Reporting Information [Line Items]
Net Sales									59.00%	61.00%