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FINANCING ARRANGEMENTS
 12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]  
FINANCING ARRANGEMENTS FINANCING ARRANGEMENTS
Long-term Debt
The following table is a summary of the Company's long-term debt (in thousands):
Current Portion of Long-Term Debt:December 31, 2021December 31, 2020
Secured senior term loans$17,535 $7,535 
Long-Term Debt:
Secured senior term loans due June 30, 2024 ("2024 Term Loans")$712,091 $719,626 
Secured senior term loans due October 8, 2028 ("2028 Term Loans")990,000 — 
Unsecured senior notes, at 4.875%, due July 15, 2027 ("2027 Notes")
545,000 545,000 
Unsecured senior notes, at 5.125%, due July 15, 2029 ("2029 Notes")
300,000 300,000 
Long-term debt, at par2,547,091 1,564,626 
Unamortized debt issuance costs and discount, net(30,067)(14,985)
Long-term debt, at carrying value$2,517,024 $1,549,641 
Secured Senior Term Loans. On October 8, 2021, the Company, and substantially all of the Company’s domestic subsidiaries as guarantors, entered into Incremental Facility Amendment No. 2 to the Company’s existing Credit Agreement dated as of June 30, 2017 (the “Term Loan Agreement”). Incremental Facility Amendment No. 2 provides for the 2028 Term Loans in the aggregate principal amount of $1.0 billion which will mature on October 8, 2028. Proceeds from the issuance of the 2028 Term Loans were $981.3 million after debt discount and debt issuance costs and were used to fund the acquisition of HydroChemPSC. The 2028 Term Loans are in addition to the aggregate of $719.6 million of 2024 Term Loans which are also outstanding under the Term Loan Agreement and which will mature on June 30, 2024 (collectively referred to as the "Term Loans.") The 2028 Term Loans may be prepaid at any time without premium or penalty other than customary breakage costs with respect to Eurodollar based loans or if the Company engages in certain repricing transactions before April 9, 2022, in which event a 1.0% prepayment premium would be due. The 2024 Term Loans may be prepaid at any point without premium or penalty other than customary breakage costs. The Company’s obligations under the Term Loan Agreement with respect to both the 2024 Term Loans and the 2028 Term Loans are guaranteed by all of the Company’s domestic restricted subsidiaries and secured by liens on substantially all of the assets of the Company and the guarantors.
The 2028 Term Loans under the Term Loan Agreement bear interest, at the Company’s election, at either of the following rates: (a) the sum of the Eurodollar Rate (as defined in the Term Loan Agreement) plus 2.00%, or (b) the sum of the Base Rate (as defined in the Term Loan Agreement) plus 1.00%, with the Eurodollar Rate being subject to a floor of 0.00% and the Base Rate being subject to a floor of 1.00%. The applicable interest rate margins for the 2024 Term Loans are 1.75% for Eurocurrency borrowings and 0.75% for base rate borrowings. Interest is paid monthly. The effective annual interest rate on December 31, 2021 was 2.04%. The Term Loan Agreement was also amended to adopt a LIBOR successor rate.
Unsecured Senior Notes. On July 2, 2019, the Company completed a private placement of $545.0 million aggregate principal amount of 2027 Notes and $300.0 million aggregate principal amount of 2029 Notes (collectively, the "Notes"). The 2027 Notes will mature on July 15, 2027, and the 2029 Notes will mature on July 15, 2029. Interest payments on each series of the Notes are paid semiannually on January 15 and July 15.
The Company may redeem all or any portion of the 2027 Notes prior to July 15, 2022 or the 2029 Notes prior to July 15, 2024 at a redemption price equal to 100% of the principal amount redeemed plus a make whole premium as of the date of redemption including accrued and unpaid interest, if any, up to the date of redemption. Additionally, prior to July 15, 2022 for the 2027 Notes and July 15, 2024 for the 2029 Notes, the Company may use cash proceeds of one or more equity offerings to redeem up to 35% in aggregate principal of the 2027 Notes or the 2029 Notes at a redemption price equal to 104.875% or 105.125%, respectively, plus accrued and unpaid interest thereon, if any, up to the date of redemption.
After the dates in the preceding paragraph, the Company may redeem all or any portion of the Notes which remain outstanding at any time upon proper notice at the following redemption prices if redeemed during the twelve-month period commencing on July 15 of the years set forth below plus accrued and unpaid interest, if any, up to the date of redemption:
2027 Notes
YearPercentage
2022102.438 %
2023101.219 %
2024 and thereafter100.000 %
2029 Notes
YearPercentage
2024102.563 %
2025101.281 %
2026 and thereafter100.000 %
Concurrently with the closing of the Notes in July 2019, the Company repurchased an aggregate principal amount of $845.0 million of previously outstanding notes due in 2021 ("2021 Notes") using a combination of the net proceeds from the sale of the Notes and available cash. The total amount paid in repurchasing the 2021 Notes was $850.2 million, including $4.0 million of accrued interest. In connection with this repurchase of the 2021 Notes, the Company recorded a loss on early extinguishment of debt of $6.1 million during the year ended December 31, 2019.
The Notes and the related indenture contain various customary non-financial covenants and are guaranteed by substantially all of the Company’s current and future domestic subsidiaries. The Notes are effectively subordinated to the loan agreement under which the Company's Term Loans are outstanding, revolving credit facility and finance lease obligations to the extent of the value of the assets securing such secured indebtedness. The Notes are also effectively subordinated to all indebtedness and other liabilities of the Company's subsidiaries that are not guarantors of the Notes.
As of December 31, 2021 and 2020, the estimated fair value of the Company’s outstanding long-term debt, including the current portion, was $2.6 billion and $1.6 billion, respectively. The Company’s estimates of the fair value of its long-term debt, including the current portion, are based on quoted market prices or other available market data which are considered Level 2 measures according to the fair value hierarchy. Level 2 utilizes quoted market prices in markets that are not active, broker or dealer quotation, or alternative pricing sources with reasonable levels of price transparency for similar assets and liabilities.
Revolving Credit Facility. On October 28, 2020, the Company and one of the Company's subsidiaries (the "Canadian Borrower") entered into an amended and restated credit agreement for the Company's revolving credit facility with Bank of America, N.A. (“BofA”), as agent for the lenders under the facility (the "Agent"). Under the amended and restated facility, the Company has the right to obtain revolving loans and letters of credit for a combined maximum of up to $350.0 million (with a sub-limit of $250.0 million for letters of credit) and the Canadian Borrower has the right to obtain revolving loans and letters of credit for a combined maximum of up to $50.0 million. Availability under the U.S. line is subject to a borrowing base primarily comprised of 85% of the eligible accounts receivable of the Company and its U.S. subsidiaries plus 100% of cash deposited in a controlled account with the Agent, and availability under the Canadian line is subject to a borrowing base primarily comprised of 85% of the eligible accounts receivable of the Company’s Canadian subsidiaries plus 100% of cash deposited in a controlled account with the Agent’s Canadian affiliate. Subject to certain conditions, the revolving credit facility will expire on October 28, 2025. 
Borrowings under the revolving credit facility bear interest at a rate of, at the Company’s option, either (i) LIBOR plus an applicable margin ranging from 1.50% to 1.75% per annum based primarily on the level of the Company’s average liquidity for the most recent 30 day period or (ii) BofA’s base rate plus an applicable margin ranging from 0.50% to 0.75% per annum based primarily on such average liquidity. There is also an unused line fee, calculated on the then unused portion of the lenders’ $400.0 million maximum commitments, ranging from 0.25% to 0.375% per annum of the unused commitment. For outstanding letters of credit, the Company pays to the lenders a fee equal to the then applicable LIBOR margin described above, and to the issuing banks a standard fronting fee and customary fees and charges in connection with all amendments, extensions, draws and other actions with respect to letters of credit. In the event that LIBOR ceases to be available during the term of the revolving credit facility, the amended and restated credit agreement provides procedures to determine a LIBOR successor rate.
The Company utilizes letters of credit issued under the revolving credit facility primarily as security for our insurance program that includes casualty and financial assurance.     
The Company’s obligations under the revolving credit facility (including revolving loans and reimbursement obligations for outstanding letters of credit) are guaranteed by substantially all of the Company’s U.S. subsidiaries and secured by a first lien on the Company’s and its U.S. subsidiaries’ accounts receivable. The Canadian Borrower’s obligations under the facility
are guaranteed by substantially all of the Company’s Canadian subsidiaries and secured by a first lien on the accounts receivable of the Canadian subsidiaries.
On March 31, 2020, the Company borrowed $150.0 million under the revolving credit facility. The Company repaid the full amount of the borrowing during 2020. The revolving credit facility had no outstanding loan balances at December 31, 2021 and 2020 and had availability of $261.4 million and outstanding letters of credit of $138.6 million at December 31, 2021.
Cash Flow Hedges
The Company’s strategy to hedge against fluctuations in variable interest rates involves entering into interest rate derivative agreements.
Although the interest rates on the Term Loans are variable, the Company has effectively fixed the interest rate on $350.0 million principal of the outstanding 2024 Term Loans by entering into interest rate swap agreements in 2018 with a notional amount of $350.0 million ("2018 Swaps"). Under the terms of the interest rate swap agreements, the Company receives interest based on the one-month LIBOR index and pays interest at a weighted average rate of approximately 2.92%, resulting in an effective annual interest rate of approximately 4.67%. 
The Company recognizes derivative instruments as either assets or liabilities on the consolidated balance sheet at fair value. No ineffectiveness has been identified on these swaps and, therefore the change in fair value is recorded in stockholders’ equity as a component of accumulated other comprehensive loss. Amounts are reclassified from accumulated other comprehensive loss into interest expense on the consolidated statement of operations in the same period or periods during which the hedged transactions affect earnings.
As of December 31, 2021 and 2020, the Company recorded a derivative liability with a fair value of $17.4 million and $33.6 million, respectively, within accrued expenses in connection with the 2018 Swap cash flow hedges.
The fair value of the interest rate swaps is calculated using discounted cash flow valuation methodologies based upon the one-month LIBOR yield curves that are observable at commonly quoted intervals for the full term of the interest rate swaps and as such is considered a Level 2 measure according to the fair value hierarchy.
In January 2022, the Company entered into interest rate swap agreements ("2022 Swaps") with a notional amount of $600.0 million to effectively fix the interest rate on $600.0 million principal of the outstanding 2028 Term Loans. Under the terms of the 2022 Swaps' agreements, the Company will receive interest based upon the variable rates on the 2028 Term Loans and pay a fixed amount of interest. The fixed rate on these instruments is 0.931% through June 30, 2023 and then increases to 1.9645% from July 1, 2023 through September 30, 2027. The variable rate on these instruments is designed to both mirror the current 2028 Term Loan interest payments and the successor rate upon the eventual sunsetting of the LIBOR rate. The Company will apply cash flow hedge accounting to these instruments which will begin being presented in the financial statements in the first quarter of 2022.