LEASE LINE TO THIRD PARTY (Details) (Semi South [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Capital Leases, Future Minimum Payments Receivable [Abstract]
2012 (remaining 6 months)	$ 0.9
2013	1.2
2014	1.2
2015	1.2
2016	1.2
Thereafter	3.0
Total	8.7
Capital Leases of Lessor [Abstract]
Future lease payments period	four to eight year
Noncontrolling Interest [Member]
Capital Leases of Lessor [Abstract]
Lease line maximum borrowing capacity	8.6
Lease line funded amount	8.5
Lease line funded amount, less payments withheld under arrangement to finance capital equipment	8.2
Lease line funded as deposits on equipment	0.3
Loans To Semi South [Member]
Sale Leaseback Transaction [Line Items]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	$ 18.0