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Fair Value of Financial Instruments
9 Months Ended
Sep. 30, 2011
Fair Value of Financial Instruments [Abstract] 
Fair Value of Financial Instruments
 
(8)
Fair Value of Financial Instruments
 
The carrying amounts reported in the consolidated balance sheets for cash, accounts receivable and accounts payable approximate fair value because of the immediate or short-term maturity of these financial instruments. The Company's capital lease obligations of $11.7 million as of September 30, 2011 were estimated to have a fair value of approximately $11.2 million, based on the fair value of the estimated future payments calculated using the prevailing interest rates. Management believes that the balances of the Company's revolving credit facility of $236.1 million, term loans totaling $295.2 million and net investment in direct finance leases of $34.8 million approximate their fair values as of September 30, 2011.