Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2011
Goodwill, net	$ 575.3		$ 575.3			$ 621.5
Intangible assets, net	38.7		38.7			44.8
Amortization	1.8	1.8	3.7	3.7	5.0
Software [Member]
Intangible assets, net	17.1		17.1
Weighted average depreciation period			4 years
Trademarks [Member]
Intangible assets, net	0.2		0.2
Intangible assets, useful life			4 years
Customer Relationships And Other Intangibles [Member]
Intangible assets, net	21.4		21.4
Other Intangible Assets [Member]
Weighted average amortization period			6 years 6 months
Customer Management - CIT [Member]
Goodwill, Impaired, Accumulated Impairment Loss	46.0		46.0
Goodwill, Impaired, Accumulated Impairment Loss, Net of Tax	44.4		44.4
Minimum [Member] | Software [Member]
Intangible assets, useful life			5 years
Minimum [Member] | Customer Relationships And Other Intangibles [Member]
Intangible assets, useful life			7 years
Maximum [Member] | Software [Member]
Intangible assets, useful life			8 years
Maximum [Member] | Customer Relationships And Other Intangibles [Member]
Intangible assets, useful life			12 years
Office Building [Member]
Real Estate Held-for-sale	30.3		30.3
Long Lived Assets Held-for-sale, Impairment Charge	42.6		42.6
Long Lived Assets Held for Sale Impairment Charge, net of tax	$ 27.0		$ 27.0