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FAIR VALUE OF FINANCIAL INSTRUMENTS
12 Months Ended
Dec. 31, 2011
FAIR VALUE OF FINANCIAL INSTRUMENTS  
FAIR VALUE OF FINANCIAL INSTRUMENTS

20. FAIR VALUE OF FINANCIAL INSTRUMENTS

        The following methods and assumptions are used to estimate the fair value of each class of financial instruments for which it is practicable to estimate:

Cash and Cash Equivalents

        The fair value of the Company's cash and cash equivalents approximates the carrying value of the Company's cash and cash equivalents, due to the short maturity of the cash equivalents.

Long-term Debt

        The fair value of the Company's $212.0 million in debt under its revolving credit facility approximates its carrying value, as it is variable-rate debt and the terms are comparable to market terms as of the balance sheet dates.

Interest Rate Swap Contracts

        The fair value of the Company's interest rate swap contracts were measured as the present value of all expected future cash flows based on the LIBOR-based swap yield curve as of the date of the valuation, subject to a credit adjustment to the LIBOR-based yield curve's implied discount rates.