CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
ASSETS
Cash and cash equivalents	$ 69,597	$ 146,013
Accounts receivable, net	103,472	77,937
Inventories, net	66,900	57,126
Derivative assets	4,007	6,532
Prepaid and other current assets	25,437	16,106
Total current assets	269,413	303,714
Investments in affiliated companies	346,495	349,308
Property, plant and equipment, net	602,894	569,275
Goodwill	406,749	404,102
Other intangible assets, net	94,777	98,413
Right-of-use lease assets	37,129	33,558
Other long-term assets	38,941	43,951
Total assets	1,796,398	1,802,321
LIABILITIES
Current maturities of long-term debt	8,730	8,730
Accounts payable	47,936	43,928
Operating lease liabilities—current	8,979	9,267
Accrued liabilities	54,042	53,201
Total current liabilities	119,687	115,126
Long-term debt, excluding current portion	847,884	852,099
Deferred income taxes	104,584	105,395
Operating lease liabilities—noncurrent	28,156	24,189
Other long-term liabilities	3,700	5,052
Total liabilities	1,104,011	1,101,861
Commitments and contingencies (Note 15)
EQUITY
Common stock ($0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,872,846 on June 30, 2025 and December 31, 2024, respectively; outstanding shares 114,487,661 and 116,534,803 on June 30, 2025 and December 31, 2024, respectively	1,409	1,409
Preferred stock ($0.01 par); authorized shares 50,000,000; no shares issued or outstanding on June 30, 2025 and December 31, 2024	0	0
Additional paid-in capital	1,103,528	1,106,792
Accumulated deficit	(175,119)	(177,508)
Treasury stock, at cost; shares 26,385,185 and 24,338,043 on June 30, 2025 and December 31, 2024, respectively	(236,593)	(222,826)
Accumulated other comprehensive loss	(838)	(7,407)
Total equity	692,387	700,460
Total liabilities and equity	$ 1,796,398	$ 1,802,321