Segment Information - Revenue by Service/Product Solution (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue from External Customer [Line Items]
Services	$ 410.1	$ 409.8	$ 804.1	$ 793.2
Products	323.3	323.7	584.8	628.6
Revenue, Net	733.4	733.5	1,388.9	1,421.8
Financial Self Service And Security [Member]
Revenue from External Customer [Line Items]
Revenue, Net	731.7	696.0	1,376.9	1,304.9
Financial Self-Service [Member]
Revenue from External Customer [Line Items]
Services	299.2	306.1	590.6	591.1
Products	268.9	236.8	472.7	418.3
Revenue, Net	568.1	542.9	1,063.3	1,009.4
Security [Member]
Revenue from External Customer [Line Items]
Services	110.9	103.7	213.5	202.1
Products	52.7	49.4	100.1	93.4
Revenue, Net	163.6	153.1	313.6	295.5
Brazil Other [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 1.7	$ 37.5	$ 12.0	$ 116.9