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Non-operating income, net Non-Operating income, net (Components of Non-operating income, net) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Non-operating (loss) income, net [Abstract]
Investment Income, Interest and Dividend	$ 26,490	$ 17,944	$ 6,191
Loss on Extinguishment of Debt	6,554	0	0
Gain (Loss) on Disposition of Business	54,840	10,421	0
Other Nonoperating Income (Expense)	2,193	(739)	3,974
Nonoperating Income (Expense)	$ 76,969	$ 27,626	$ 10,165

X

- Definition

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.

+ References

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-Topic 230
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-Section 45
-Paragraph 28
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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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

+ References

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

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

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Non-operating (loss) income, net [Abstract]

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No definition available.

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