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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2012
Jan. 01, 2012
Restricted cash and investments $ 15,530 [1] $ 42,535 [1]
Allowance for doubtful accounts 2,294 2,453
Restricted cash and investments 44,284 [1] 57,912 [1]
Property and equipment, net 1,709,628 [1] 1,705,306 [1]
Current portion of capital lease obligations, long-term debt and non-recourse debt 47,840 [1] 53,666 [1]
Non-Recourse Debt 113,136 [1] 208,532 [1]
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 30,000,000 30,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 90,000,000 90,000,000
Common stock, shares issued 85,578,493 85,185,158
Common stock, shares outstanding 61,592,212 61,181,172
Treasury stock, shares 23,986,281 24,003,986
Variable Interest Entity, Primary Beneficiary
    
Restricted cash and investments 6,182 35,435
Restricted cash and investments 20,765 38,930
Property and equipment, net 25,988 162,665
Current portion of capital lease obligations, long-term debt and non-recourse debt 5,200 20,770
Non-Recourse Debt $ 16,972 $ 108,335
[1] Variable interest entities or “VIEs”