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SUBSEQUENT EVENTS	9 Months Ended
SUBSEQUENT EVENTS	Sep. 30, 2013
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	13. SUBSEQUENT EVENTS Subsequent to September 30, 2013, we entered into a contract to purchase six new heavy aircraft for our Oil and Gas segment, with deliveries scheduled throughout 2014. In addition, the contract includes an option to purchase six additional heavy aircraft for delivery in 2015 and 2016. We intend to fund these commitments and purchase options through a combination of aircraft leases, cash flow from operations, and borrowings under our credit facility.