Description of Business and Summary of Significant Accounting Policies (Property and Equipment Net) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful life, minimum	5
Property and equipment estimated useful life, maximum	40
Furniture, fixtures, and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful life, minimum	3
Property and equipment estimated useful life, maximum	12
Carrying Value [Member] | Continuing Operations [Member]
Property, Plant and Equipment [Line Items]
Long-lived assets held for sale measured at fair value	$ 70.1	$ 62.5
Carrying Value [Member] | Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Long-lived assets held for sale measured at fair value	49.5	53.8
Long Lived Assets, Fair Value Disclosure, Adjustments [Member] | Nonrecurring [Member]
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets held for sale	1.6	5.9
Long Lived Assets, Fair Value Disclosure, Adjustments [Member] | Nonrecurring [Member] | Continuing Operations [Member]
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets held and used	1.1	0.6
Impairment of long-lived assets held for sale	1.1	2.5
Long Lived Assets, Fair Value Disclosure, Adjustments [Member] | Nonrecurring [Member] | Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets held for sale	0.5	3.4
Import [Member] | Long Lived Assets, Fair Value Disclosure, Adjustments [Member] | Nonrecurring [Member] | Continuing Operations [Member]
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets held and used		0.4
Domestic [Member] | Long Lived Assets, Fair Value Disclosure, Adjustments [Member] | Nonrecurring [Member] | Continuing Operations [Member]
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets held and used		$ 0.2