Income taxes (Tables)

9 Months Ended

Sep. 30, 2024

Income taxes

Schedule of Income Taxes

	Three months ended				Nine months ended
	September 30,				September 30,
	2023		2024		2023		2024
	(In thousands)
Expected tax expense (benefit), at U.S. federal statutory   income tax rate of 21%	$	(62)	$	9,425	$	(3,088)	$	13,217
Rate differences on equity in earnings (losses) of Kronos,   net of dividends		(1,037)		(954)		(3,878)		(2,512)
U.S. state income taxes and other, net		134		37		122		93
Income tax expense (benefit)	$	(965)	$	8,508	$	(6,844)	$	10,798
Comprehensive provision (benefit) for income taxes   allocable to:
Net income (loss)	$	(965)	$	8,508	$	(6,844)	$	10,798
Additional paid-in capital		—		—		18		8
Other comprehensive income (loss):
Currency translation		(92)		404		(906)		(792)
Pension plans		104		99		503		301
Other		6		(14)		(78)		(33)
Total	$	(947)	$	8,997	$	(7,307)	$	10,282