Accumulated other comprehensive income (loss)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Comprehensive income (loss)

Accumulated other comprehensive income (loss)

The after-tax changes in the components of accumulated other comprehensive loss were as follows:

	Net Unrealized Gain (Loss) on Derivative Instruments Qualifying as Hedges		Postretirement Liability Adjustment		Net Unrealized Gain (Loss) on Available-for-sale Investments		Total Accumulated Other Comprehensive Loss
	(In thousands)
At December 31, 2019	$	(1,430)	$	(40,734)	$	62	$	(42,102)
Other comprehensive income before reclassifications	—		—		135		135
Amounts reclassified from (to) accumulated other comprehensive loss	111		462		(1)		572
Net current-period other comprehensive income	111		462		134		707
At March 31, 2020	$	(1,319)	$	(40,272)	$	196	$	(41,395)
Other comprehensive loss before reclassifications	—		—		(13)		(13)
Amounts reclassified from accumulated other comprehensive loss	112		480		7		599
Net current-period other comprehensive income (loss)	112		480		(6)		586
At June 30, 2020	$	(1,207)	$	(39,792)	$	190	$	(40,809)

	Net Unrealized Gain (Loss) on Derivative Instruments Qualifying as Hedges		Postretirement Liability Adjustment		Net Unrealized Gain (Loss) on Available-for-sale Investments		Total Accumulated Other Comprehensive Loss
	(In thousands)
At December 31, 2018	$	(2,161)	$	(36,069)	$	(112)	$	(38,342)
Other comprehensive income before reclassifications	—		—		39		39
Amounts reclassified from accumulated other comprehensive loss	397		310		28		735
Net current-period other comprehensive income	397		310		67		774
At March 31, 2019	$	(1,764)	$	(35,759)	$	(45)	$	(37,568)
Other comprehensive income before reclassifications	—		—		79		79
Amounts reclassified from accumulated other comprehensive loss	111		276		12		399
Net current-period other comprehensive income	111		276		91		478
At June 30, 2019	$	(1,653)	$	(35,483)	$	46	$	(37,090)

The following amounts were reclassified between accumulated other comprehensive loss and net income. The amounts presented in parenthesis indicate a decrease to net income on the Consolidated Statements of Income. The reclassifications were as follows:

	Three Months Ended				Six Months Ended				Location on Consolidated Statements of Income
	June 30,				June 30,
	2020		2019		2020		2019
	(In thousands)
Reclassification adjustment for loss on derivative instruments included in net income	$	(148)	$	(147)	$	(295)	$	(295)	Interest expense
	36		36		72		(213)		Income taxes
	(112)		(111)		(223)		(508)
Amortization of postretirement liability losses included in net periodic benefit cost	(635)		(365)		(1,246)		(775)		Other income
	155		89		304		189		Income taxes
	(480)		(276)		(942)		(586)
Reclassification adjustment on available-for-sale investments included in net income	(9)		(15)		(8)		(50)		Other income
	2		3		2		10		Income taxes
	(7)		(12)		(6)		(40)
Total reclassifications	$	(599)	$	(399)	$	(1,171)	$	(1,134)