Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2021

Accumulated Other Comprehensive Loss [Abstract]

Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss, net of tax, are as follows (in thousands):

			Equity in
	Pension and		Telesat-related		Accumulated
	Other		Other		Other
	Post-retirement		Comprehensive		Comprehensive
	Benefits		Loss		Loss
Balance, January 1, 2020	$	(16,167)	$	(38,747)	$	(54,914)
Other comprehensive loss before reclassification		(3,852)		(14,232)		(18,084)
Amounts reclassified from accumulated other comprehensive loss		1,026		—		1,026
Net current-period other comprehensive loss		(2,826)		(14,232)		(17,058)
Balance, December 31, 2020		(18,993)		(52,979)		(71,972)
Other comprehensive loss before reclassification		—		(4,185)		(4,185)
Amounts reclassified from accumulated other comprehensive loss		584		—		584
Net current-period other comprehensive loss		584		(4,185)		(3,601)
Balance, June 30, 2021	$	(18,409)	$	(57,164)	$	(75,573)

Schedule of Other Comprehensive Income (Loss) and Related Income Tax Effects

The components of other comprehensive income (loss) and related tax effects are as follows (in thousands):

	Three Months Ended June 30,
	2021							2020
	Before-Tax			Tax		Net-of-Tax		Before-Tax			Tax (Provision)		Net-of-Tax
	Amount			Provision		Amount		Amount			Benefit		Amount
Amortization of prior service credits
and net actuarial loss	$	341	(a)	$	(72)	$	269	$	340	(a)	$	(71)	$	269
Equity in Telesat-related other
comprehensive loss		(2,053)			(1)		(2,054)		(17,454)			6		(17,448)
Other comprehensive income (loss)	$	(1,712)		$	(73)	$	(1,785)	$	(17,114)		$	(65)	$	(17,179)

	Six Months Ended June 30,
	2021							2020
	Before-Tax			Tax (Provision)		Net-of-Tax		Before-Tax			Tax		Net-of-Tax
	Amount			Benefit		Amount		Amount			Provision		Amount
Amortization of prior service credits
and net actuarial loss	$	740	(a)	$	(156)	$	584	$	642	(a)	$	(134)	$	508
Equity in Telesat-related other
comprehensive (loss) income		(4,186)			1		(4,185)		13,609			(6)		13,603
Other comprehensive (loss) income	$	(3,446)		$	(155)	$	(3,601)	$	14,251		$	(140)	$	14,111

(a) Reclassifications are included in other expense.