Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified															12 Months Ended
	Dec. 31, 2012	Jan. 01, 2012	Dec. 31, 2012 Land	Jan. 01, 2012 Land	Dec. 31, 2012 Buildings and improvements	Jan. 01, 2012 Buildings and improvements	Dec. 31, 2012 Leasehold improvements	Jan. 01, 2012 Leasehold improvements	Dec. 31, 2012 Equipment	Jan. 01, 2012 Equipment	Dec. 31, 2012 Furnitures, fixtures and computer software	Jan. 01, 2012 Furnitures, fixtures and computer software	Dec. 31, 2012 Facility construction in progress	Jan. 01, 2012 Facility construction in progress	Dec. 31, 2012 Minimum	Dec. 31, 2012 Minimum Land	Dec. 31, 2012 Minimum Buildings and improvements	Dec. 31, 2012 Minimum Leasehold improvements	Dec. 31, 2012 Minimum Equipment	Dec. 31, 2012 Maximum Land	Dec. 31, 2012 Maximum Buildings and improvements	Dec. 31, 2012 Maximum Leasehold improvements	Dec. 31, 2012 Maximum Equipment	Dec. 31, 2012 Maximum Furnitures, fixtures and computer software
Property Plant And Equipment Net By Type [Abstract]
Useful life															1 year	2 years	2 years	1 year	3 years	50 years	50 years	29 years	10 years	7 years
Total	$ 1,993,551	$ 1,929,540	$ 97,603	$ 97,406	$ 1,459,934	$ 1,380,723	$ 257,848	$ 253,492	$ 133,876	$ 111,943	$ 29,018	$ 22,002	$ 15,272	$ 63,974
Less accumulated depreciation and amortization	(306,392)	(241,184)
Property and equipment, net	$ 1,687,159	$ 1,688,356