Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified					12 Months Ended					12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2013 Minimum	Dec. 31, 2013 Land	Dec. 31, 2012 Land	Dec. 31, 2013 Buildings and improvements	Dec. 31, 2012 Buildings and improvements	Dec. 31, 2013 Buildings and improvements Minimum	Dec. 31, 2013 Buildings and improvements Maximum	Dec. 31, 2013 Leasehold improvements	Dec. 31, 2012 Leasehold improvements	Dec. 31, 2013 Leasehold improvements Minimum	Dec. 31, 2013 Leasehold improvements Maximum	Dec. 31, 2013 Equipment	Dec. 31, 2012 Equipment	Dec. 31, 2013 Equipment Minimum	Dec. 31, 2013 Equipment Maximum	Dec. 31, 2013 Furnitures, fixtures and computer software	Dec. 31, 2012 Furnitures, fixtures and computer software	Dec. 31, 2013 Furnitures, fixtures and computer software Maximum	Dec. 31, 2013 Facility construction in progress	Dec. 31, 2012 Facility construction in progress
Property Plant And Equipment Net By Type [Abstract]
Useful life					1 year					2 years	50 years			1 year	29 years			3 years	10 years			7 years
Property and equipment, gross	$ 2,106,897		$ 1,993,551			$ 100,862	$ 97,933	$ 1,567,836	$ 1,469,225			$ 256,055	$ 257,876			$ 137,952	$ 124,199			$ 33,388	$ 29,046		$ 10,804	$ 15,272
Less accumulated depreciation and amortization	(379,099)		(306,392)
Property and equipment, net	$ 1,727,798	[1]	$ 1,687,159	[1]

[1] As of December 31, 2013 and 2012 Canada did not have any significant long-lived assets.