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6.  LONG-TERM DEBT

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The following table reconciles the principal balances of our outstanding debt to our Consolidated Balance Sheets, in thousands:

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The following table sets forth our remaining principal payments for our outstanding debt balances as of December 31, 2020, in thousands:

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Amended Credit Agreement and Senior Secured Term Loan Facility

On March 20, 2020, the Company entered into an Amended Credit Agreement, which renewed, amended and restated the Original Credit Agreement in its entirety.  The Amended Credit Agreement provides for a term loan facility in an aggregate principal amount of $300.0 million, all of which was drawn on March 20, 2020 and a Revolving Facility with an aggregate borrowing capacity of $450.0 million, including a $100.0 million letter of credit sublimit and up to a $35.0 million swingline sublimit.  The maturity date for the loans under the Amended Credit Agreement was extended from May 2022 to March 2025.

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The following table outlines the key terms of our Amended Credit Agreement (dollars in thousands):

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Interest payable on borrowings under the Amended Credit Agreement is based on an applicable margin rate plus, at our option, either:  

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The Amended Credit Agreement contemplates future amendment by the Company and the agent to provide for the replacement of LIBOR with the Secured Overnight Financing Rate or another alternate benchmark rate, giving due consideration to any evolving or then existing convention for similar U.S. dollar denominated syndicated credit facilities for such alternative benchmarks, including any related mathematical or other applicable adjustments.

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The applicable margin rate is determined based on our Secured Leverage Ratio.  In the case of base rate borrowings, the applicable margin rate ranges from 0.00 percent to 1.50 percent and in the case of LIBOR rate borrowings, the applicable margin ranges from 1.00 percent to 2.50 percent.  Borrowings under the Amended Credit Agreement are prepayable at the Company’s option without premium or penalty.  The Company is required to make prepayments with the net cash proceeds of certain asset sales and certain extraordinary receipts.

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Revolving Facility

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The Company has outstanding standby letters of credit that secure our financial obligations related to our workers’ compensation, general insurance, and auto liability programs.  These standby letters of credit, as well as any outstanding amount borrowed under our Revolving Facility, reduce the availability under the Revolving Facility.  The following table summarizes our availability under the Revolving Facility, in thousands:

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We are required to pay commitment fees to the Lenders in respect of any unutilized commitments.  The commitment fees range from 0.15 percent to 0.275 percent per annum, depending on our Secured Leverage Ratio.  We must also pay customary fees on outstanding letters of credit.

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Senior Notes

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The Senior Notes are our senior unsecured obligations and bear interest at 5.625% per year, payable semiannually in arrears on May 1 and November 1 of each year, which began on November 1, 2018. The Senior Notes mature on May 1, 2026, unless redeemed early or repurchased.  We have the right to redeem the Senior Notes under certain circumstances, and, if we undergo a change in control, we must make an offer to repurchase all of the Senior Notes then outstanding at a repurchase price equal to 101% of their aggregate principal amount, plus accrued and unpaid interest (if any) to, but not including, the repurchase date. 

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Equipment Notes

As of December 31, 2019, the company has issued $41.6 million of equipment notes for the purpose of financing the purchase of vehicles and equipment. No equipment notes were issued during the year ended December 31, 2020. The Company’s equipment notes each have a five year term maturing from 2023 to 2024 and bear interest at fixed rates between 2.8% and 4.4%.

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  Covenant Compliance

The indenture governing our Senior Notes contains customary restrictive covenants that, among other things, generally limit our ability to incur additional debt and issue preferred stock; to create liens; to pay dividends, acquire shares of capital stock, make payments on subordinated debt or make investments; to place limitations on distributions from certain subsidiaries; to issue guarantees; to issue or sell the capital stock of certain subsidiaries; to sell assets; to enter into transactions with affiliates; and to effect mergers.  The Senior Notes indenture also contains customary events of default, subject in certain cases to grace and cure periods. Generally, if an event of default occurs and is continuing, the trustee under the indenture or the holders of at least 25% in aggregate principal amount of the Senior Notes then outstanding may declare the principal of, premium, if any, and accrued interest on all the Senior Notes immediately due and payable.  The Senior Notes and related guarantees have not been registered under the Securities Act of 1933, and we are not required to register either the Senior Notes or the guarantees in the future.

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The Amended Credit Agreement contains certain covenants that limit, among other things, the ability of the Company to incur additional indebtedness or liens; to make certain investments or loans; to make certain restricted payments; to enter into consolidations, mergers, sales of material assets, and other fundamental changes; to transact with affiliates; to enter into agreements restricting the ability of subsidiaries to incur liens or pay dividends; or to make certain accounting changes.  The Amended Credit Agreement contains customary affirmative covenants and events of default.

The Amended Credit Agreement requires that we maintain a Net Leverage Ratio and minimum Interest Coverage Ratio throughout the term of the agreement.  The following table outlines the key financial covenants effective for the period covered by this Annual Report:

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