CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Foreign currency translation, tax	$ (262)	$ (2,393)	$ 314	$ (5,466)
Net unrealized (loss) gain on cash flow hedges, tax	(439)	963	(1,001)	3,138
Net unrealized loss on investment securities, tax	(1,972)	(2,545)	(1,360)	(11,353)
Amortization of pension and postretirement costs, tax	$ 1,032	$ 2,461	$ 3,397	$ 6,792

Amount, after reclassification adjustment, of tax expense (benefit) for gain (loss) in value of unsold investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), attributable to parent.

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Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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