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Fair Value Measurements
12 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
Financial and non-financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. During the fourth quarter of 2018, the Company acquired a royalty stream which has been treated as an asset acquisition. The purchase price of the royalty stream for $1 million approximated fair value at December 31, 2018 and is considered a Level 3 asset. The fair value measurement is based on the expected future cash flows and, as there is no reason to believe that the asset is impaired, it is assumed that the valuation remains unchanged at December 31, 2019. In November 2018 and July 2019, the Company entered into two interest rate swap transactions related to its credit agreement. The fair value of the interest rate swaps at December 31, 2019 and 2018 was a loss of approximately $1.7 million and $0.8 million, respectively, and is considered a Level 2 liability.

There were no financial or non-financial assets or liabilities which required fair value measurement at December 31, 2017.

The pension plan assets are invested in collective investment trust funds. These investments are measured at fair value using the net asset value per share practical expedient. Investments valued using the net asset value method (NAV) (or its equivalent) practical expedient are excluded from the fair value hierarchy disclosure.

The Company’s Consolidated Balance Sheets also include Cash and cash equivalents, Accounts receivable and Accounts payable all of which are recorded at amounts which approximate fair value.
The Company also has assets that are required to be recorded at fair value on a non-recurring basis. These assets are evaluated when certain triggering events occur (including a decrease in estimated future cash flows) that indicate the asset should be evaluated for impairment. Goodwill and indefinite lived intangible assets must be evaluated at least annually.