Supplemental Financial Statement Information (Other Expense, Net) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Other Income and Expenses [Abstract]
Loss on debt refinancing	$ 989	$ 0	$ 52,383	$ 36,987
Insurance proceeds	(3,000)	(5,467)	(3,000)	(8,967)
Gain on sale of equity investment	0	(11,908)	0	(11,908)
Gain on sale of business	(10,201)	0	(10,201)	0
Gain on sale of assets	1,434	0	1,434	0
Other (income) expense	$ (13,646)	$ (17,375)	$ 37,748	$ 16,112

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

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The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

+ References

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Amount of gain (loss) on sale or disposal of other assets.

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
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Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 20
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Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

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