Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 254,822	$ 64,317	$ (55,058)
Foreign currency translation, net of tax	39,509	88,290	(112,562)
Adjustments to pension and postretirement liability, net of tax	25,171	31,572	(15,477)
Other comprehensive income (loss), net of tax	64,680	119,862	(128,039)
Comprehensive income (loss)	319,502	184,179	(183,097)
Less: Comprehensive income (loss) attributable to noncontrolling interest	144	(1,031)	498
Comprehensive income (loss) attributable to Belden	$ 319,358	$ 185,210	$ (183,595)