Changes in Accumulated Other Comprehensive Income by Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	$ 1,428,766	$ 1,382,677	$ 1,270,528
Other comprehensive income before reclassifications to consolidated statements of income	(78,167)	(43,154)
Amounts reclassified from accumulated other comprehensive (loss) income to the consolidated statements of income	9,505	13,631
Total other comprehensive (loss) income, net of tax	(68,662)	(29,523)	88,180
Balance	1,346,327	1,428,766	1,382,677
Gains and Losses on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	160	(757)
Other comprehensive income before reclassifications to consolidated statements of income	6,155	73
Amounts reclassified from accumulated other comprehensive (loss) income to the consolidated statements of income	(374)	844
Total other comprehensive (loss) income, net of tax	5,781	917
Balance	5,941	160	(757)
Pension and Other Postretirement Benefit Items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(112,307)	(142,119)
Other comprehensive income before reclassifications to consolidated statements of income	(6,212)	17,025
Amounts reclassified from accumulated other comprehensive (loss) income to the consolidated statements of income	9,879	12,787
Total other comprehensive (loss) income, net of tax	3,667	29,812
Balance	(108,640)	(112,307)	(142,119)
Foreign Currency Items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(39,691)	20,561
Other comprehensive income before reclassifications to consolidated statements of income	(78,110)	(60,252)
Amounts reclassified from accumulated other comprehensive (loss) income to the consolidated statements of income	0	0
Total other comprehensive (loss) income, net of tax	(78,110)	(60,252)
Balance	(117,801)	(39,691)	20,561
Accumulated Other Non-Owner Changes to Equity
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(151,838)	(122,315)	(210,495)
Balance	$ (220,500)	$ (151,838)	$ (122,315)