Property and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Property and Equipment [Line Items]
Property and Equipment, Gross	$ 746,200,000	$ 879,100,000
Less accumulated depreciation and amortization	(272,000,000)	(266,900,000)
Property and equipment, net	474,154,000	612,175,000
Depreciation Expense	37,700,000	48,100,000	51,900,000
Land
Property and Equipment [Line Items]
Property and Equipment, Gross	111,600,000	136,300,000
Building and Building Improvements [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	58,800,000	61,400,000
Leaseholds and Leasehold Improvements [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	409,800,000	506,600,000
Equipment and Fixtures [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	100,400,000	106,200,000
Construction in Progress
Property and Equipment [Line Items]
Property and Equipment, Gross	4,200,000	6,200,000
Properties Under Capital Lease Obligations
Property and Equipment [Line Items]
Property and Equipment, Gross	61,400,000	62,400,000
Less accumulated depreciation and amortization	$ 29,700,000	$ 27,400,000