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Fair Values of Financial Instruments
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Fair Values of Financial Instruments
The fair values at December 31, 2021 and 2020 do not reflect subsequent changes in the economy, interest rates, tax rates, and other variables that may affect the determination of fair value.
December 31, 2021December 31, 2020
In thousandsCarrying AmountFair ValueCarrying AmountFair Value
Credit facility
USD denominated term loan
$— $— $532,625 $520,347 
Multicurrency revolving line of credit
— — — — 
Senior notes— — 388,311 410,000 
Convertible notes450,228 422,749 — — 

The following methods and assumptions were used in estimating fair values:
Cash and cash equivalents: Due to the liquid nature of these instruments, the carrying amount approximates fair value (Level 1).
Credit Facility - term loan and multicurrency revolving line of credit: The term loan and the revolver are not traded publicly. The fair values, which are determined based upon a hypothetical market participant, are calculated using a discounted cash flow model with Level 2 inputs, including estimates of incremental borrowing rates for debt with similar terms, maturities, and credit profiles. Refer to Note 6: Debt for a further discussion of our debt.
Senior Notes: The Senior Notes, prior to their repayment, were not registered securities nor listed on any securities exchange but were able to be actively traded by qualified institutional buyers. The fair values for the Senior Notes were estimated using Level 1 inputs, as they were based on quoted prices for these instruments in active markets. In 2021, the Senior Notes were fully discharged, and no principal or unpaid interest remains outstanding. See Note 6: Debt for further information.
Convertible Notes: The Convertible Notes are not registered securities nor listed on any securities exchange but may be actively traded by qualified institutional buyers. The fair values for the Convertible Notes are estimated using Level 1 inputs, as they are based on quoted prices for these instruments in active markets.
Derivatives: See Note 7: Derivative Financial Instruments for a description of our methods and assumptions in determining the fair value of our derivatives, which were determined using Level 2 inputs. Each derivative asset and liability has a carrying value equal to fair value.