Segment Information - Revenue by Service/Product Solution (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue from External Customer [Line Items]
Services	$ 404.4	$ 416.5	$ 1,208.5	$ 1,209.7
Products	276.5	351.5	861.3	980.1
Revenue, Net	680.9	768.0	2,069.8	2,189.8
Financial Self Service And Security [Member]
Revenue from External Customer [Line Items]
Revenue, Net	675.7	708.4	2,052.6	2,013.3
Financial Self-Service [Member]
Revenue from External Customer [Line Items]
Services	293.3	310.7	883.9	901.8
Products	216.6	239.7	689.3	658.0
Revenue, Net	509.9	550.4	1,573.2	1,559.8
Security [Member]
Revenue from External Customer [Line Items]
Services	111.1	105.8	324.6	307.9
Products	54.7	52.2	154.8	145.6
Revenue, Net	165.8	158.0	479.4	453.5
Brazil Other [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 5.2	$ 59.6	$ 17.2	$ 176.5