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Fair-Value Measurements
3 Months Ended
Mar. 31, 2021
Fair Value Disclosures [Abstract]  
Fair-Value Measurements Fair-Value Measurements
Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. Accounting principles establish a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Level 3 inputs are unobservable data points for the asset or liability, and include situations in which there is little, if any, market activity for the asset or liability. We had no Level 3 financial assets or liabilities at March 31, 2021, or at December 31, 2020.
The following table presents the fair-value hierarchy for our Level 1 and Level 2 financial and non-financial assets and liabilities, which are measured at fair value on a recurring basis:
March 31, 2021December 31, 2020
Quoted
prices in
active
markets
Significant
other
observable
inputs
Quoted
prices in
active
markets
Significant
other
observable
inputs
(in thousands)
(Level 1)
(Level 2)
(Level 1)
(Level 2)
Fair Value
Assets:
Cash equivalents$14,390 $— $17,508 $— 
Other Assets:
Common stock of unaffiliated foreign public company (a)762 — 748 — 
Liabilities:
Other noncurrent liabilities:
Interest rate swaps— (10,918)— (12,714)
(a)Original cost basis $0.5 million.

Cash equivalents include short-term securities that are considered to be highly liquid and easily tradable. These securities are valued using inputs observable in active markets for identical securities.
The interest rate swaps are accounted for as hedges of future cash flows. The fair value of our interest rate swaps are derived from a discounted cash flow analysis based on the terms of the contract and the interest rate curve, and is included in Other assets and/or Other noncurrent liabilities in the Consolidated Balance Sheets. Unrealized gains and losses on the swaps flow through the caption Derivative valuation adjustment in the Shareholders’ equity section of the Consolidated Balance Sheets. As of March 31, 2021, these interest rate swaps were determined to be highly effective hedges of interest rate cash flow risk. Amounts accumulated in Other comprehensive income are reclassified as Interest expense, net when the related interest payments (that is, the hedged forecasted transactions), and amortization related to the swap buyouts, affect earnings. Interest (income)/expense related to payments under the active swap agreements totaled $1.7 million for the three month period ended March 31, 2021, and $0.5 million for the three month period ended March 31, 2020. Additionally, non-cash interest income related to the amortization of swap buyouts totaled $0.3 million for the three month period ended March 31, 2021 and $0.1 million for the three month period ended March 31, 2020.