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Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Consolidated net income (loss)	$ 30,701	$ 58,576
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	3,795	(4,036)
Benefit plans	0	82
Total other comprehensive income (loss), net of tax	3,795	(3,954)
Comprehensive income (loss)	34,496	54,622
Less: Comprehensive income (loss) attributable to noncontrolling interest in subsidiaries, net of tax	5,099	15,260
Comprehensive income (loss) attributable to common stockholders	$ 29,397	$ 39,362

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-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 8
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