Segment Information (Revenues From External Customers And Segment Operating Profit) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Information [Line Items]
Revenues	$ 3,085.1	$ 2,517.1	$ 5,996.5	$ 4,939.4
Income from operations	545.5	488.0	1,045.8	948.0
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	3,085.1	2,517.1	5,996.5	4,939.4
Income from operations	1,061.7	862.8	1,927.5	1,696.3
Operating Segments [Member] | Financial Services [Member]
Segment Reporting Information [Line Items]
Revenues	1,250.1	1,058.5	2,411.2	2,082.2
Income from operations	420.1	354.0	767.5	701.9
Operating Segments [Member] | Healthcare [Member]
Segment Reporting Information [Line Items]
Revenues	897.3	645.5	1,776.4	1,261.4
Income from operations	317.5	227.3	562.6	441.6
Operating Segments [Member] | Manufacturing/Retail/Logistics [Member]
Segment Reporting Information [Line Items]
Revenues	578.3	514.3	1,127.2	1,026.2
Income from operations	201.2	177.4	382.5	359.1
Operating Segments [Member] | Other [Member]
Segment Reporting Information [Line Items]
Revenues	359.4	298.8	681.7	569.6
Income from operations	122.9	104.1	214.9	193.7
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Less: unallocated costs	$ 516.2	$ 374.8	$ 881.7	$ 748.3