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DEBT | 12 Months Ended
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Dec. 31, 2021
Debt Disclosure [Abstract] |
DEBT | DEBT Amendment to the Sixth Amended and Restated Senior Credit Agreement On February 3, 2020, the Company entered into the sixth amendment and restatement (the "February 2020 Amendment") of its Senior Credit Facility (the "Senior Credit Facility") with a syndicate of lending banks with Bank of America, N.A., as Administrative Agent. The February 2020 Amendment extended the maturity date to February 3, 2025. The Company continues to have the aggregate principal amount of up to approximately $2.2 billion available to it through the following facilities: (i) a $877.5 million Term Loan facility, and (ii) a $1.3 billion revolving credit facility, which includes a $60 million sublimit for the issuance of standby letters of credit and a $60 million sublimit for swingline loans. On July 14, 2020, the Company entered into an amendment (the "July 2020 Amendment") to the February 2020 Amendment of the Senior Credit Facility to increase financial flexibility through June 30, 2021, in light of the unprecedented impact and uncertainty of the COVID-19 pandemic on the global economy. The July 2020 amendment did not increase the Company’s total indebtedness. In connection with the July 2020 amendment, the Company’s maximum consolidated total leverage ratio in the financial covenants (as defined in the Senior Credit Facility) was modified to the following:
Fiscal Quarter |  | Maximum Consolidated Total Leverage Ratio
Execution of July 2020 Amendment through June 30, 2021 |  | 5.50 to 1.00
September 30, 2021 through June 30, 2022 |  | 5.00 to 1.00
September 30, 2022 through June 30, 2023 |  | 4.50 to 1.00
September 30, 2023 and the last day of each fiscal quarter thereafter |  | 4.00 to 1.00
Borrowings under the Senior Credit Facility bear interest, at the Company’s option, at a rate equal to the following: i.the Eurodollar Rate (as defined in the amendment and restatement) in effect from time to time plus the applicable rate (ranging from 1.00% to 2.25%), or ii.the highest of: 1.the weighted average overnight Federal funds rate, as published by the Federal Reserve Bank of New York, plus 0.50% 2.the prime lending rate of Bank of America, N.A. or 3.the one-month Eurodollar Rate plus 1.00% The applicable rates are based on the Company’s consolidated total leverage ratio (defined as the ratio of (a) consolidated funded indebtedness as of such date less cash that is not subject to any restriction on the use or investment thereof to (b) consolidated EBITDA (as defined by the July 2020 amendment), for the period of four consecutive fiscal quarters ending on such date). The Company will pay an annual commitment fee (ranging from 0.15% to 0.30%), based on the Company's consolidated total leverage ratio, on the amount available for borrowing under the revolving credit facility. The Senior Credit Facility is collateralized by substantially all of the assets of the Company’s U.S. subsidiaries, excluding intangible assets. The Senior Credit Facility is subject to various financial and negative covenants and at December 31, 2021, the Company was in compliance with all such covenants. In connection with the February 2020 Amendment, the Company capitalized $4.6 million of financing costs in connection with modification of the Senior Credit Facility and wrote off $1.2 million of previously capitalized financing costs during the first quarter of 2020. In connection with the July 2020 amendment, the Company expensed $3.3 million of incremental financing costs in connection with the modification of the Senior Credit Facility during the third quarter of 2020. At December 31, 2021 and 2020, there was $31.3 million and $97.5 million, respectively, outstanding under the revolving portion of the Senior Credit Facility at weighted average interest rates of 1.4% and 1.5%, respectively. At December 31, 2021 and 2020, there was $843.8 million and $877.5 million, respectively, outstanding, under the Term Loan component of the Senior Credit Facility at weighted average interest rate of 1.4% and 1.5%, respectively. At December 31, 2021 and 2020, there was $45.0 million and $33.8 million, respectively, of the Term Loan component of the Senior Credit Facility was classified as current on the consolidated balance sheets. The fair value of outstanding borrowings of the Senior Credit Facility's revolving credit and Term Loan components at December 31, 2021 were $31.0 million and $838.4 million, re spectively. These fair values were determined by using a discounted cash flow model based on current market interest rates available to the Company. These inputs are corroborated by observable market data for similar liabilities and therefore classified within Level 2 of the fair value hierarchy. Level 2 inputs represent inputs that are observable for the asset or liability, either directly or indirectly, and are other than active market observable inputs that reflect unadjusted quoted prices for identical assets or liabilities Letters of credit outstanding as of December 31, 2021 and 2020 totaled $1.6 million. Ther e were no amounts drawn as of December 31, 2021. Contractual repayments of the Term Loan component of the Senior Credit Facility are due as follows:
Year-ended December 31, 2021 |  | Principal Repayment
Dollars in thousands |  |
2022 |  | $ | 45,000 |
2023 |  | $ | 61,875 |
2024 |  | $ | 67,500 |
2025 |  | $ | 669,375 |
|  | $ | 843,750 |
Future interest payments on the term loan component of the Senior Credit Facility based on current interest rates are expected to approximate $11.0 million in 2022, $10.3 million in 2023, $9.4 million in 2024, and $0.9 million in 2025. Interest is calculated on the term loan portion of the Senior Credit Facility based on LIBOR plus the spread paid by the Company. As the revolving credit facility and Securitization Facility can be repaid at any time, no interest has been included in the calculation. The outstanding balance of the revolving credit component of the Senior Credit Facility is due on February 3, 2025. Convertible Senior Notes On February 4, 2020, the Company issued $575.0 million aggregate principal amount of its 0.5% Convertible Senior Notes due 2025 (the "2025 Notes"). The 2025 Notes will mature on August 15, 2025 and bear interest at a rate of 0.5% per annum payable semi-annually in arrears, unless earlier converted, repurchased or redeemed in accordance with the terms of the 2025 Notes. The portion of debt proceeds that was classified as equity at the time of the offering was $104.5 million. The effective interest rate implicit in the liability component was 4.2%. In connection with this offering, the Company capitalized $13.2 million of financing fees. The 2025 Notes are senior, unsecured obligations of the Company, and are convertible into cash and shares of its common stock based on initial conversion rate, subject to adjustment of 13.5739 shares per $1,000 principal amounts of the 2025 Notes (which represents an initial conversion price of $73.67 per share). The 2025 Notes convert only in the following circumstances: (1) if the closing price of the Company's common stock has been at least 130% of the conversion price during the period; (2) if the average trading price per $1,000 principal amount of the 2025 Notes is less than or equal to 98% of the average conversion value of the 2025 Notes during a period as defined in the indenture; (3) at any time on or after February 20, 2023; or (4) if specified corporate transactions occur. As of December 31, 2021, none of these conditions existed with respect to the 2025 Notes and as a result the 2025 Notes are classified as long term. On December 9, 2020, the Company entered into the First Supplemental Indenture to the original agreement dated as of February 4, 2020 between the Company and Citibank, N.A., as trustee, governing the Company’s outstanding 2025 Notes. The Company irrevocably elected (1) to eliminate the Company’s option to choose physical settlement on any conversion of the 2025 Notes that occurs on or after the date of the First Supplemental Indenture and (2) with respect to any Combination Settlement for a conversion of the 2025 Notes, the Specified Dollar Amount that will be settled in cash per $1,000 principal amount of the 2025 Notes shall be no lower than $1,000. Holders of the Notes will have the right to require the Company to repurchase for cash all or a portion of their Notes at 100% of their principal amount, plus any accrued and unpaid interest, upon the occurrence of a fundamental change (as defined in the indenture relating to the Notes). The Company will also be required to increase the conversion rate for holders who convert their Notes in connection with certain fundamental changes occurring prior to the maturity date or following delivery by the Company of a notice of redemption. In connection with the issuance of the 2025 Notes, the Company entered into call transactions and warrant transactions, primarily with affiliates of the initial purchasers of the 2025 Notes (the “hedge participants”). The cost of the call transactions was $104.2 million for the 2025 Notes. The Company received $44.5 million of proceeds from the warrant transactions for the 2025 Notes. The call transactions involved purchasing call options from the hedge participants, and the warrant transactions involved selling call options to the hedge participants with a higher strike price than the purchased call options. The initial strike price of the call transactions was $73.67, subject to anti-dilution adjustments substantially similar to those in the 2025 Notes. The initial strike price of the warrant transactions was $113.34 for the 2025 Notes, subject to customary anti-dilution adjustments. At December 31, 2020, the carrying amount of the liability component was $485.9 million, the remaining unamortized discount was $89.1 million, and the principal amount outstanding was $575.0 million. On January 1, 2021, the Company adopted ASU 2020-06 using the modified retrospective method. See Note 2, Summary of Significant Accounting Policies, for further details. At December 31, 2021, the carrying amount of the liability was $575.0 million. The fair value of the 2025 Notes at December 31, 2021 was $640.5 million. Factors that the Company considered when estimating the fair value of the 2025 Notes included recent quoted market prices or dealer quote. The level of the 2025 Notes is considered as Level 1. As a result of the adoption of ASU 2020-06, the Company recognized only cash interest related to the contractual interest coupon of $2.9 million on the 2025 Notes for the year ended December 31, 2021. Prior to the adoption, during the year ended December 31, 2020, the Company recognized cash interest of $2.6 million and amortization of the discount on the liability component of $15.4 million for a total interest charge of $18.0 million on the 2025 Notes. Securitization Facility During the fourth quarter of 2018, the Company entered into an accounts receivable securitization facility (the "Securitization Facility") under which accounts receivable of certain domestic subsidiaries are sold on a non-recourse basis to a special purpose entity (“SPE”), which is a bankruptcy-remote, consolidated subsidiary of the Company. Accordingly, the assets of the SPE are not available to satisfy the obligations of the Company or any of its subsidiaries. From time to time, the SPE may finance such accounts receivable with a revolving loan facility secured by a pledge of such accounts receivable. The amount of outstanding borrowings on the Securitization Facility at any one time is limited to $150.0 million. The Securitization Facility Agreement ("Securitization Agreement") governing the Securitization Facility contains certain covenants and termination events. An occurrence of an event of default or a termination event under this Securitization Agreement may give rise to the right of its counterparty to terminate this facility. As of December 31, 2021, the Company was in compliance with the covenants and none of the termination events had occurred. On May 28, 2021, the Company entered into an amendment (the "May 2021 Amendment") of the Securitization Facility which extended the maturity date from December 21, 2021 to May 28, 2024. The May 2021 Amendment does not increase the Company’s total indebtedness. At both December 31, 2021 and 2020, the Company had $112.5 million, of outstanding borrowings under its Securitization Facility at a weighted average interest rate of 1.1% and 1.3%, respectively. The fair value of the outstanding borrowing of the Securitization Facility at December 31, 2021 was $111.8 million. These fair values were determined by using a discounted cash flow model based on current market interest rates available to the Company. These inputs are corroborated by observable market data for similar liabilities and therefore classified within Level 2 of the fair value hierarchy. Level 2 inputs represent inputs that are observable for the asset or liability, either directly or indirectly, and are other than active market observable inputs that reflect unadjusted quoted prices for identical assets or liabilities.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(c)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1E -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 + Details
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