Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (31,541)	$ (208,483)
Other comprehensive loss, net of tax:
Foreign currency translation, net of tax of $(13) and $(2,817), respectively	(14,258)	(27,735)
Net unrealized gain (loss) on cash flow hedges, net of tax of $1,601 and $(58), respectively	4,830	(174)
Net unrealized (loss) gain on investment securities, net of tax of $(2,956) and $434, respectively	(8,916)	1,308
Amortization of pension and postretirement costs, net of tax of $3,208 and $2,650, respectively	9,937	8,870
Other comprehensive loss, net of tax	(8,407)	(17,731)
Comprehensive loss	$ (39,948)	$ (226,214)