Accumulated Other Comprehensive Earnings (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period	$ 870,743
Balance at the end of the period	879,352	$ 834,420
Foreign Currency Translation
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period	(24,787)	(21,050)
Other comprehensive earnings (loss) before reclassifications	36	320
Other comprehensive earnings (loss) net of tax	36	320
Balance at the end of the period	(24,751)	(20,730)
Investments
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period	1,184	(2,359)
Other comprehensive earnings (loss) before reclassifications	2,127	119
Reclassifications from accumulated other comprehensive loss	(16)
Other comprehensive earnings (loss) net of tax	2,111	119
Balance at the end of the period	3,295	(2,240)
Foreign Currency Derivatives
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period	(621)	228
Other comprehensive earnings (loss) before reclassifications	(31)	(271)
Reclassifications from accumulated other comprehensive loss	180	20
Other comprehensive earnings (loss) net of tax	149	(251)
Balance at the end of the period	(472)	(23)
Commodity Derivatives
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period	(1,642)	(1,915)
Other comprehensive earnings (loss) before reclassifications	798	1,179
Reclassifications from accumulated other comprehensive loss	675	311
Other comprehensive earnings (loss) net of tax	1,473	1,490
Balance at the end of the period	(169)	(425)
Postretirement and Pension Benefits
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period	2,448	1,883
Reclassifications from accumulated other comprehensive loss	(155)	(121)
Other comprehensive earnings (loss) net of tax	(155)	(121)
Balance at the end of the period	2,293	1,762
Accumulated Other Comprehensive Earnings (Loss)
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period	(23,418)	(23,213)
Other comprehensive earnings (loss) before reclassifications	2,930	1,347
Reclassifications from accumulated other comprehensive loss	684	210
Other comprehensive earnings (loss) net of tax	3,614	1,557
Balance at the end of the period	$ (19,804)	$ (21,656)