Facilities and Equipment (Details) (USD $)	12 Months Ended
	Dec. 25, 2012	Dec. 27, 2011	Dec. 28, 2010
Property, Plant and Equipment [Line Items]
Facilities and equipment, gross	$ 182,748,000	$ 275,537,000
Less accumulated depreciation and amortization	(39,123,000)	(143,793,000)
Net facilities and equipment	143,625,000	131,744,000
Depreciation expense	40,200,000	33,000,000	34,600,000
Land [Member]
Property, Plant and Equipment [Line Items]
Facilities and equipment, gross	5,435,000	4,415,000
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Facilities and equipment, gross	75,341,000	125,091,000
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful life	40 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Facilities and equipment, gross	94,822,000	143,872,000
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful life	10 years
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Facilities and equipment, gross	$ 7,150,000	$ 2,159,000