COMMITMENTS AND CONTINGENCIES (Details) (USD $)	6 Months Ended
	Jun. 30, 2011	Jul. 14, 2011
Notes To Financial Statements [Abstract]
Judgment amount in connection with a wrongful termination lawsuit	$ 10,000,000
Amount of the complaint in connection with a California False Claims Act lawsuit	97,500,000
Added annual simple interest resulting from the California False Claims Act lawsuit (in hundredths)	7.00%
Civil penalties amount per each alleged false claim	10,000
Amount of the settlement in principle in connection with the California False Claims Act lawsuit		49,500,000
Litigation settlement expense in connection with the California False Claims Act lawsuit	34,500,000
Previously recorded litigation reserve in connection with the California False Claims Act lawsuit	15,000,000
Letters of credit	37,300,000
Equipment lease guarantee	$ 1,000,000
Joint venture ownership interest (in hundredths)	50.00%
Remaining term on guaranteed equipment leases (in years)	1