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, 2021, in thousands:

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Amendments to Credit Agreement and Senior Secured Term Loan Facility

On March 8, 2021, the Company entered into Amendment No. 1 to Credit Agreement.  Amendment No. 1 to Credit Agreement provided for a term loan facility in an aggregate principal amount of $300.0 million, all of which was drawn on March 8, 2021, 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.

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The maturity date for the loans under Amendment No. 1 to Credit Agreement was extended from March 2025 to March 2026, the floor for base rate loans was reduced from 1.5% to 1.0%, and the floor for Eurodollar rate loans was reduced from 0.5% to 0.0%. Additional provisions were made for the eventual replacement of LIBOR with another alternate benchmark rate.

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On October 7, 2021, the Company entered into Amendment No. 2 to Credit Agreement. Amendment No. 2 to Credit Agreement provides for a term loan facility in an aggregate principal amount of $600.0 million, comprised of a $300.0 million term loan facility and a $300.0 million delayed draw term loan commitment, all of which was drawn on October 7, 2021, and a revolving facility with an aggregate borrowing capacity of $500.0 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 Amendment No. 2 to Credit Agreement was extended from March 2026 to October 2026. Additional provisions were also made for the eventual replacement of LIBOR with another alternate benchmark rate.

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The following table outlines the key terms of Amendment No. 2 to Credit Agreement (dollars in thousands):

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Interest payable on borrowings under Amendment No. 2 to Credit Agreement is based on an applicable margin rate plus, at our option, either:  

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Amendment No. 2 to Credit Agreement contemplates future amendment by the Company and the agent to provide for the replacement of LIBOR with 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 1.00 percent and in the case of LIBOR rate borrowings, the applicable margin ranges from 1.00 percent to 2.50 percent.  Borrowings under Amendment No. 2 to 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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3.625% Senior Notes

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On March 15, 2021, the Company completed a private offering of $400.0 million aggregate principal amount of 3.625% Senior Notes due 2029. The Company used the proceeds from the issuance of the 3.625% Senior Notes, together with cash on hand, to redeem 100% of its $400.0 million aggregate principal amount of 5.625% Senior Notes due 2026.   The 3.625% Senior Notes are senior unsecured obligations and bear interest at 3.625% per year, payable semiannually in arrears on March 15 and September 15, beginning on September 15, 2021. The 3.625% Senior Notes mature on March 15, 2029, unless redeemed early or repurchased. If we undergo a change in control, we must make an offer to repurchase all of the 3.625% 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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The Company may redeem the 3.625% Senior Notes, in whole or in part, at any time on or after March 15, 2024 at the redemption prices specified in the notes.  The Company may also redeem all or part of the 3.625% Senior Notes at any time prior to March 15, 2024 at a redemption price equal to 100% of the principal amount of the notes to be redeemed, plus the Applicable Premium (as defined in the notes), as of, and accrued and unpaid interest to, the redemption date. Additionally, the Company may redeem up to 40% of the aggregate principal amount of the 3.625% Senior Notes prior to March 15, 2024 with the net cash proceeds of certain sales of its capital stock at 103.625% of the principal amount of the notes, plus accrued and unpaid interest, if any, to the date of redemption only if, after the redemption, at least 60% of the aggregate principal amount of the notes originally issued remains outstanding.

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4.125% Senior Notes

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On October 14, 2021, the Company completed a private offering of $500.0 million aggregate principal amount of 4.125% Senior Notes due 2032. The 4.125% Senior Notes are senior unsecured obligations and bear interest at 4.125% per year, payable semiannually in arrears on February 15 and August 15, beginning on August 15, 2022. The 4.125% Senior Notes mature on February 15, 2032, unless redeemed early or repurchased. If we undergo a change in control, we must make an offer to repurchase all of the 4.125% 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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The Company may redeem the 4.125% Senior Notes, in whole or in part, at any time on or after October 15, 2026 at the redemption prices specified in the notes plus accrued and unpaid interest if redeemed during the 12 month period commencing on October 15 of the years set for: 2026 – 102.063%, 2027 – 101.375%, 2028 – 100.688%, 2029 and thereafter – 100.000%. The Company may also redeem a make-whole redemption of the 4.125% Senior Notes at any time prior to October 15, 2026 at the treasury rate plus 50 bps. Additionally, the Company may redeem up to 40% of the aggregate principal amount of the 4.125% Senior Notes prior to October 15, 2024 with the net cash proceeds of certain sales of its capital stock at 104.125% of the principal amount of the notes, plus accrued and unpaid interest, if any, to the date of redemption only if, after the redemption, at least 60% of the aggregate principal amount of the notes originally issued remains outstanding.

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Equipment Notes

We did not issue equipment notes during the year ended December 31, 2021. The company issued $41.6 million of equipment notes for the purpose of financing the purchase of vehicles and equipment in prior years. 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 indentures governing our 3.625% Senior Notes and our 4.125% Senior Notes (together, our “Senior Notes”) contain restrictive covenants that, among other things, generally limit the ability of the Company and certain of its subsidiaries (subject to certain exceptions) to (i) create liens, (ii) pay dividends, acquire shares of capital stock and make payments on subordinated debt, (iii) place limitations on distributions from certain subsidiaries, (iv) issue or sell the capital stock of certain subsidiaries, (v) sell assets, (vi) enter into transactions with affiliates and (vii) effect mergers.  The indentures provide for customary events of default which include (subject in certain cases to customary grace and cure periods), among others: nonpayment of principal or interest; breach of covenants or other agreements in the indenture; defaults in failure to pay certain other indebtedness; and certain events of bankruptcy or insolvency. Generally, if an event of default occurs and is continuing under the indenture, the trustee or the holders of at least 30% in aggregate principal amount of each of our Senior Notes then outstanding may declare the principal of, premium, if any, and accrued interest on the Senior Notes subject to such declaration 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 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 Credit Agreement contains customary affirmative covenants and events of default.

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The 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 Quarterly Report:

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