CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Shares	Capital in Excess of Par Value	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Loss)	Treasury Shares	Non-controlling Interest	Total
Beginning Balance at Dec. 31, 2023	$ 527	$ 3,538,896	$ (10,832)	$ (1,886,226)	$ (1,315,751)	$ 215,396	$ 542,010
Beginning Balance (in shares) at Dec. 31, 2023	10,556
Increase (Decrease) in Equity
Net income (loss)				(122,413)		67,295	(55,118)
Other comprehensive income (loss), net of tax			(12)				(12)
Share-based compensation	$ 9	11,825					11,834
Share-based compensation (in shares)	185
Noncontrolling interest contributions (distributions)						(13,470)	(13,470)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(21,929)			(21,929)
Other	$ (1)	(2,642)		(88)			(2,731)
Other (in shares)	(32)
Ending Balance at Sep. 30, 2024	$ 535	3,548,079	(10,844)	(2,030,656)	(1,315,751)	269,221	460,584
Ending Balance (in shares) at Sep. 30, 2024	10,709
Beginning Balance at Jun. 30, 2024	$ 535	3,543,986	(10,932)	(1,967,467)	(1,315,751)	251,229	501,600
Beginning Balance (in shares) at Jun. 30, 2024	10,711
Increase (Decrease) in Equity
Net income (loss)				(55,825)		22,738	(33,087)
Other comprehensive income (loss), net of tax			88				88
Share-based compensation		4,093					4,093
Share-based compensation (in shares)	2
Noncontrolling interest contributions (distributions)						(4,746)	(4,746)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(7,363)			(7,363)
Other				(1)			(1)
Ending Balance at Sep. 30, 2024	$ 535	3,548,079	(10,844)	(2,030,656)	(1,315,751)	269,221	460,584
Ending Balance (in shares) at Sep. 30, 2024	10,709
Beginning Balance at Dec. 31, 2024	$ 533	3,552,756	(10,414)	(2,092,128)	(1,315,751)	286,251	421,247
Beginning Balance (in shares) at Dec. 31, 2024	10,661
Increase (Decrease) in Equity
Net income (loss)				276,276		81,164	357,440
Share issuance related to Parker acquisition	$ 239	179,741					179,980
Share issuance related to Parker acquisition, shares	4,800
Other comprehensive income (loss), net of tax			(548)				(548)
Share-based compensation	$ 16	14,623					14,639
Share-based compensation (in shares)	328
Noncontrolling interest contributions (distributions)						(8,282)	(8,282)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(21,792)			(21,792)
Other	$ (1)	(2,150)		(1,624)			(3,775)
Other (in shares)	(71)
Ending Balance at Sep. 30, 2025	$ 787	3,744,970	(10,962)	(1,839,268)	(1,315,751)	359,133	938,909
Ending Balance (in shares) at Sep. 30, 2025	15,718
Beginning Balance at Jun. 30, 2025	$ 787	3,738,989	(10,668)	(2,105,373)	(1,315,751)	332,344	640,328
Beginning Balance (in shares) at Jun. 30, 2025	15,733
Increase (Decrease) in Equity
Net income (loss)				274,198		28,268	302,466
Other comprehensive income (loss), net of tax			(294)				(294)
Share-based compensation		5,981					5,981
Share-based compensation (in shares)	11
Noncontrolling interest contributions (distributions)						(1,479)	(1,479)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(7,344)			(7,344)
Other				(749)			(749)
Other (in shares)	(26)
Ending Balance at Sep. 30, 2025	$ 787	$ 3,744,970	$ (10,962)	$ (1,839,268)	$ (1,315,751)	$ 359,133	$ 938,909
Ending Balance (in shares) at Sep. 30, 2025	15,718