Comprehensive Income and Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Components of Other Comprehensive Income (Loss), Net of Tax

The accumulated balances related to each component of other comprehensive income (loss), net of tax, are as follows: 

	Foreign Currency Translation Component			Pension and Other Postretirement Benefit Plans			Accumulated Other  Comprehensive Income (Loss)
				(In thousands)
Balance at December 31, 2017	$	(69,691	)	$	(28,335	)	$	(98,026	)
Other comprehensive gain (loss) loss attributable to Belden before reclassifications	27,809			(7,813		)	19,996
Amounts reclassified from accumulated other comprehensive loss	—			3,123			3,123
Net current period other comprehensive gain (loss) attributable to Belden	27,809			(4,690		)	23,119
Balance at December 31, 2018	(41,882		)	(33,025		)	(74,907		)
Other comprehensive gain (loss) attributable to Belden before reclassifications	23,657			(13,281		)	10,376
Amounts reclassified from accumulated other comprehensive income	—			1,113			1,113
Net current period other comprehensive gain (loss) attributable to Belden	23,657			(12,168		)	11,489
Balance at December 31, 2019	$	(18,225	)	$	(45,193	)	$	(63,418	)

Summary of Effects of Reclassifications from Accumulated Other Comprehensive Income (Loss)

The following table summarizes the effects of reclassifications from accumulated other comprehensive income (loss):

	Amount Reclassified from Accumulated Other Comprehensive Income			Affected Line Item in the Consolidated Statements of Operations and Comprehensive Income
	(In thousands)
Amortization of pension and other postretirement benefit plan items:
Settlement gain	$	(7	)	(1	)
Actuarial losses	1,299			(1	)
Prior service cost	169			(1	)
Total before tax	1,461
Tax benefit	(348		)
Total net of tax	$	1,113

(1)

The amortization of these accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit costs (see Note 16).