Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, Acquired During Period		$ 64,565
Goodwill [Roll Forward]
Goodwill			$ 1,834,399
Accumulated impairment losses			(53,641)
Goodwill, net	$ 1,821,822	1,821,822	1,780,758
Translation adjustments		(23,501)
Goodwill, Other Changes		0
Goodwill, net	1,821,822	1,821,822	1,780,758
Data and Analytics [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		64,565
Goodwill [Roll Forward]
Goodwill			957,929
Accumulated impairment losses			(600)
Goodwill, net	998,432	998,432	957,329
Translation adjustments		(23,362)
Goodwill, Other Changes		(100)
Goodwill, net	998,432	998,432	957,329
Technology and Processing Solutions [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		0
Goodwill [Roll Forward]
Goodwill			876,470
Accumulated impairment losses			(53,041)
Goodwill, net	823,390	823,390	823,429
Translation adjustments		(139)
Goodwill, Other Changes		100
Goodwill, net	823,390	$ 823,390	$ 823,429
Landsafe [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 64,600