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8. Other Income and Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Interest and investment income	$ 300	$ 1,800	$ 18,700	$ 14,600
Net realized (gain) loss on investments	0	0	100	(600)
Other Nonoperating Expense	300	800	1,300	800
Equity Method Investment, Other than Temporary Impairment	0	0	800	4,600
Gain on Disposition of a division	0	0	0	(11,700)
Other (income) expense, net	$ 579	$ (1,015)	$ (16,732)	$ (21,517)

X

- Definition

This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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Amount of expense related to nonoperating activities, classified as other.

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Amount of realized gain (loss) on investment.

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