Segment Information Segment Information - Revenue by Service/Product Solution (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue from External Customer [Line Items]
Services	$ 416,533	$ 405,238	$ 1,209,731	$ 1,200,672
Products	351,498	300,186	980,050	845,376
Revenue, Net	768,031	705,424	2,189,781	2,046,048
Financial Self-Service [Member]
Revenue from External Customer [Line Items]
Services	310,691	291,529	901,828	874,983
Products	239,675	233,623	657,943	681,566
Revenue, Net	550,366	525,152	1,559,771	1,556,549
Security [Member]
Revenue from External Customer [Line Items]
Services	105,842	113,706	307,903	325,695
Products	52,199	40,496	145,605	115,364
Revenue, Net	158,041	154,202	453,508	441,059
Financial Self Service And Security [Member]
Revenue from External Customer [Line Items]
Revenue, Net	708,407	679,354	2,013,279	1,997,608
Brazil Other [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 59,624	$ 26,070	$ 176,502	$ 48,440