Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jan. 01, 2012		Jan. 02, 2011
Restricted cash and investments (including VIEs of $35,435 and $34,049, respectively)	$ 42,535	[1]	$ 41,150	[1]
Allowance for doubtful accounts	2,453		1,308
Restricted cash and investments	57,912	[1]	49,492	[1]
Property and equipment, net	1,706,171	[1]	1,511,292	[1]
Current portion of capital lease obligations, long-term debt and non-recourse debt	53,666	[1]	41,574	[1]
Non-recourse debt, Australian subsidiary	208,532	[1]	191,394	[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	85,185,158		84,506,772
Common stock, shares outstanding	61,181,172		64,432,459
Treasury stock, shares	24,003,986		20,074,313
Variable Interest Entity, Primary Beneficiary
Restricted cash and investments (including VIEs of $35,435 and $34,049, respectively)	35,435		34,049
Restricted cash and investments	38,930		33,266
Property and equipment, net	162,665		167,209
Current portion of capital lease obligations, long-term debt and non-recourse debt	20,770		19,365
Non-recourse debt, Australian subsidiary	$ 108,335		$ 132,078

[1] Variable interest entities or "VIEs"