Segment Information - Revenue By Service and Product Solution (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue from External Customer [Line Items]
Services	$ 405,238	$ 402,305	$ 1,200,672	$ 1,196,079
Products	300,186	307,614	845,376	955,519
Revenue, Net	705,424	709,919	2,046,048	2,151,598
Financial self-service [Member]
Revenue from External Customer [Line Items]
Services	291,529	293,694	874,983	889,216
Products	244,374	236,994	714,120	792,166
Revenue, Net	535,903	530,688	1,589,103	1,681,382
Security [Member]
Revenue from External Customer [Line Items]
Services	113,706	108,611	325,695	306,699
Products	40,496	45,879	115,364	126,692
Revenue, Net	154,202	154,490	441,059	433,391
Financial Self Service And Security [Member]
Revenue from External Customer [Line Items]
Revenue, Net	690,105	685,178	2,030,162	2,114,773
Election And Lottery Systems [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 15,319	$ 24,741	$ 15,886	$ 36,825