Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 242,556	$ 254,822	$ 64,317
Foreign currency translation, net of tax	(24,566)	39,509	88,290
Adjustments to pension and postretirement liability, net of tax	(10,838)	25,171	31,572
Other comprehensive income (loss), net of tax	(35,404)	64,680	119,862
Comprehensive income	207,152	319,502	184,179
Less: Comprehensive income (loss) attributable to noncontrolling interest	(199)	144	(1,031)
Comprehensive income attributable to Belden	$ 207,351	$ 319,358	$ 185,210