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, 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)				2,078		52,896	54,974
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			(254)				(254)
Share-based compensation	$ 16	8,642					8,658
Share-based compensation (in shares)	317
Noncontrolling interest contributions (distributions)						(6,803)	(6,803)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(14,448)			(14,448)
Other	$ (1)	(2,150)		(875)			(3,026)
Other (in shares)	(45)
Ending Balance at Jun. 30, 2025	$ 787	3,738,989	(10,668)	(2,105,373)	(1,315,751)	332,344	640,328
Ending Balance (in shares) at Jun. 30, 2025	15,733
Beginning Balance at Mar. 31, 2025	$ 785	3,734,480	(10,530)	(2,066,324)	(1,315,751)	307,074	649,734
Beginning Balance (in shares) at Mar. 31, 2025	15,695
Increase (Decrease) in Equity
Net income (loss)				(30,910)		28,705	(2,205)
Other comprehensive income (loss), net of tax			(138)				(138)
Share-based compensation	$ 2	4,509					4,511
Share-based compensation (in shares)	38
Noncontrolling interest contributions (distributions)						(3,435)	(3,435)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(7,264)			(7,264)
Other				(875)			(875)
Ending Balance at Jun. 30, 2025	$ 787	3,738,989	(10,668)	(2,105,373)	(1,315,751)	332,344	640,328
Ending Balance (in shares) at Jun. 30, 2025	15,733
Beginning Balance at Dec. 31, 2025	$ 785	3,752,604	(10,397)	(1,836,514)	(1,315,751)	364,470	955,197
Beginning Balance (in shares) at Dec. 31, 2025	15,703
Increase (Decrease) in Equity
Net income (loss)				(37,496)		40,235	2,739
Other comprehensive income (loss), net of tax			(926)				(926)
Share-based compensation	$ 16	8,866					8,882
Share-based compensation (in shares)	317
Noncontrolling interest contributions (distributions)						(2,841)	(2,841)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(13,440)			(13,440)
Other	$ (3)	(3,610)		(6)			(3,619)
Other (in shares)	(58)
Ending Balance at Jun. 30, 2026	$ 798	3,757,860	(11,323)	(1,887,456)	(1,315,751)	401,864	945,992
Ending Balance (in shares) at Jun. 30, 2026	15,962
Beginning Balance at Mar. 31, 2026	$ 798	3,753,357	(11,093)	(1,858,369)	(1,315,751)	383,458	952,400
Beginning Balance (in shares) at Mar. 31, 2026	15,959
Increase (Decrease) in Equity
Net income (loss)				(22,330)		20,807	(1,523)
Other comprehensive income (loss), net of tax			(230)				(230)
Share-based compensation		4,504					4,504
Share-based compensation (in shares)	3
Noncontrolling interest contributions (distributions)						(2,401)	(2,401)
Accrued distribution on redeemable noncontrolling interest in subsidiary				(6,757)			(6,757)
Other		(1)					(1)
Ending Balance at Jun. 30, 2026	$ 798	$ 3,757,860	$ (11,323)	$ (1,887,456)	$ (1,315,751)	$ 401,864	$ 945,992
Ending Balance (in shares) at Jun. 30, 2026	15,962