Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Apr. 01, 2012		Jan. 01, 2012
Restricted cash and investments	$ 38,398	[1]	$ 42,535	[1]
Allowance for doubtful accounts	2,829		2,453
Restricted cash and investments	61,379	[1]	57,912	[1]
Property and equipment, net	1,717,091	[1]	1,706,171	[1]
Current portion of capital lease obligations, long-term debt and non-recourse debt	56,020	[1]	53,666	[1]
Non-recourse debt	201,653	[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
Preferred stock, shares outstanding
Common stock, par value	$ 0.01		$ 0.01
Common stock, shares authorized	90,000,000		90,000,000
Common stock, shares issued	85,439,378		85,185,158
Common stock, shares outstanding	61,435,392		61,181,172
Treasury stock, shares	24,003,986		24,003,986
Variable Interest Entity, Primary Beneficiary
Restricted cash and investments	29,373		35,435
Restricted cash and investments	33,624		38,930
Property and equipment, net	161,440		162,665
Current portion of capital lease obligations, long-term debt and non-recourse debt	21,000		20,770
Non-recourse debt	$ 102,442		$ 108,335

[1] Variable interest entities or “VIEs”