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Financial Instruments	6 Months Ended
	Jun. 30, 2021
Investments, All Other Investments [Abstract]
Financial Instruments	(11) Financial Instruments The carrying amount of the Company’s financial instruments including cash and cash equivalents, accounts receivable and accounts payable approximate fair value due to the short-term nature of these financial instruments. The estimated fair value of the Company’s secured notes, based on available market information as of June 30, 2021, was $303.0 million. The Company used Level 2 measurements under the fair value measurement hierarchy to determine the estimated fair value of the secured notes. The carrying amount of the Company’s long-term debt as of December 31, 2020 was $263.5 million, which approximated fair value based on current market interest rates.

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- Definition

The entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures.

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