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Fair Value of Financial Instruments (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2016
--- | --- | --- | ---
Convertible Senior Notes | Convertible Debt |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Short-term debt, fair value | $ 1,085,000,000.000 | $ 782,300,000 |
Long-term debt, current portion, net | $ 488,200,000 | $ 467,200,000 |
Interest Rate Swap |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Notional amount |  |  | $ 100,000,000
Fixed interest rate |  |  | 0.80%
Interest Rate Swap | LIBOR |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Variable rate floor |  |  | 0.00%

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date. + References No definition available. + Details
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