Segment Information - Revenue By Service and Product Solution (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenue from External Customer [Line Items]
Services	$ 413,216	$ 396,909	$ 795,434	$ 793,774
Products	293,897	346,279	545,190	647,905
Revenue, Net	707,113	743,188	1,340,624	1,441,679
Financial self-service [Member]
Revenue from External Customer [Line Items]
Services	303,171	295,587	583,454	595,522
Products	254,279	294,105	469,746	555,172
Revenue, Net	557,450	589,692	1,053,200	1,150,694
Security [Member]
Revenue from External Customer [Line Items]
Services	110,054	101,248	211,989	198,088
Products	39,551	42,780	74,868	80,813
Revenue, Net	149,605	144,028	286,857	278,901
Financial Self Service And Security [Member]
Revenue from External Customer [Line Items]
Revenue, Net	707,055	733,720	1,340,057	1,429,595
Election And Lottery Systems [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 58	$ 9,468	$ 567	$ 12,084