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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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Segment Information (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 segments	Dec. 31, 2013	Dec. 31, 2012
Schedule of Revenue from External Customers and Operating Profit Attributed to Foreign Countries by Geographic Area [Abstract]
Revenues	$ 1,661.4us-gaap_SalesRevenueNet	$ 1,562.8us-gaap_SalesRevenueNet	$ 1,485.3us-gaap_SalesRevenueNet	$ 1,460.5us-gaap_SalesRevenueNet	$ 1,256.0us-gaap_SalesRevenueNet	$ 1,110.3us-gaap_SalesRevenueNet	$ 1,066.1us-gaap_SalesRevenueNet	$ 932.9us-gaap_SalesRevenueNet	$ 6,170.0us-gaap_SalesRevenueNet	$ 4,365.3us-gaap_SalesRevenueNet	$ 3,811.9us-gaap_SalesRevenueNet
Operating Profit	276.5us-gaap_OperatingIncomeLoss	281.2us-gaap_OperatingIncomeLoss	302.0us-gaap_OperatingIncomeLoss	391.3us-gaap_OperatingIncomeLoss	224.4us-gaap_OperatingIncomeLoss	205.6us-gaap_OperatingIncomeLoss	183.4us-gaap_OperatingIncomeLoss	159.5us-gaap_OperatingIncomeLoss	1,251.0us-gaap_OperatingIncomeLoss	772.9us-gaap_OperatingIncomeLoss	574.8us-gaap_OperatingIncomeLoss
Schedule of Assets and Long Lived Assets from External Customers Attributed to Foreign Countries by Geographic Area [Abstract]
Total Assets	8,733.8us-gaap_Assets				7,313.4us-gaap_Assets				8,733.8us-gaap_Assets	7,313.4us-gaap_Assets
Segment Information (Textual) [Abstract]
Number of principal business segments of Company									5us-gaap_NumberOfReportableSegments
Mexico
Schedule of Revenue from External Customers and Operating Profit Attributed to Foreign Countries by Geographic Area [Abstract]
Revenues									130.4	133.5	96.4
Operating Profit									16.8	4.0	0.2
Schedule of Assets and Long Lived Assets from External Customers Attributed to Foreign Countries by Geographic Area [Abstract]
Total Assets	339.0				306.9				339.0	306.9
Long-Lived Assets	$ 189.4				$ 177.7				$ 189.4	$ 177.7