Comprehensive income (loss) (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Comprehensive income (loss)

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

Three Months Ended September 30, 2016	Net Unrealized Gain (Loss) on Derivative  Instruments  Qualifying as Hedges			Postretirement  Liability Adjustment			Foreign Currency Translation Adjustment			Net Unrealized Gain (Loss) on Available-for-sale Investments			Total Accumulated  Other Comprehensive  Loss
	(In thousands)
Balance at beginning of period	$	(2,484	)	$	(35,604	)	$	(144	)	$	26		$	(38,206	)
Other comprehensive loss before reclassifications	—			—			(4		)	(42		)	(46		)
Amounts reclassified from accumulated other comprehensive loss	92			236			—			33			361
Net current-period other comprehensive income (loss)	92			236			(4		)	(9		)	315
Balance at end of period	$	(2,392	)	$	(35,368	)	$	(148	)	$	17		$	(37,891	)

Three Months Ended September 30, 2015	Net Unrealized Gain (Loss) on Derivative  Instruments  Qualifying as Hedges			Postretirement  Liability Adjustment			Foreign Currency Translation Adjustment			Net Unrealized Gain (Loss) on Available-for-sale Investments			Total Accumulated  Other Comprehensive  Loss
	(In thousands)
Balance at beginning of period	$	(2,872	)	$	(37,259	)	$	(130	)	$	15		$	(40,246	)
Other comprehensive loss before reclassifications	—			—			(73		)	(35		)	(108		)
Amounts reclassified from accumulated other comprehensive loss	100			382			—			28			510
Net current-period other comprehensive income (loss)	100			382			(73		)	(7		)	402
Balance at end of period	$	(2,772	)	$	(36,877	)	$	(203	)	$	8		$	(39,844	)

Nine Months Ended September 30, 2016	Net Unrealized Gain (Loss) on Derivative  Instruments  Qualifying as Hedges			Postretirement  Liability Adjustment			Foreign Currency Translation Adjustment			Net Unrealized Gain (Loss) on Available-for-sale Investments			Total Accumulated  Other Comprehensive  Loss
	(In thousands)
Balance at beginning of period	$	(2,667	)	$	(34,257	)	$	(200	)	$	(24	)	$	(37,148	)
Other comprehensive income (loss) before reclassifications	—			—			52			(65		)	(13		)
Amounts reclassified from accumulated other comprehensive loss	275			(1,111		)	—			106			(730		)
Net current-period other comprehensive income (loss)	275			(1,111		)	52			41			(743		)
Balance at end of period	$	(2,392	)	$	(35,368	)	$	(148	)	$	17		$	(37,891	)

Nine Months Ended September 30, 2015	Net Unrealized Gain (Loss) on Derivative  Instruments  Qualifying as Hedges			Postretirement  Liability Adjustment			Foreign Currency Translation Adjustment			Net Unrealized Gain (Loss) on Available-for-sale Investments			Total Accumulated  Other Comprehensive  Loss
	(In thousands)
Balance at beginning of period	$	(3,071	)	$	(38,218	)	$	(829	)	$	15		$	(42,103	)
Other comprehensive loss before reclassifications	—			—			(176		)	(105		)	(281		)
Amounts reclassified from accumulated other comprehensive loss	299			1,341			802			98			2,540
Net current-period other comprehensive income (loss)	299			1,341			626			(7		)	2,259
Balance at end of period	$	(2,772	)	$	(36,877	)	$	(203	)	$	8		$	(39,844	)

Reclassification out of accumulated other comprehensive income

Reclassifications out of accumulated other comprehensive loss were as follows:

	Three Months Ended						Nine Months Ended						Location on Consolidated Statements of Income
	September 30,						September 30,
	2016			2015			2016			2015
	(In thousands)
Reclassification adjustment for loss on derivative instruments included in net income (loss):
Interest rate derivative instruments	$	(148	)	$	(160	)	$	(445	)	$	(480	)	Interest expense
	56			60			170			181			Income taxes
	(92		)	(100		)	(275		)	(299		)
Amortization of postretirement liability gains (losses) included in net periodic benefit cost	(379		)	(615		)	1,787			(2,222		)	(a)
	143			233			(676		)	881			Income taxes
	(236		)	(382		)	1,111			(1,341		)
Reclassification adjustment for loss on foreign currency translation adjustment included in net income (loss)	—			—			—			(1,293		)	Other income
	—			—			—			491			Income taxes
	—			—			—			(802		)
Reclassification adjustment for loss on available-for-sale investments included in net income (loss)	(51		)	(43		)	(163		)	(151		)	Other income
	18			15			57			53			Income taxes
	(33		)	(28		)	(106		)	(98		)
Total reclassifications	$	(361	)	$	(510	)	$	730		$	(2,540	)

(a) Included in net periodic benefit cost. For more information, see Note 17.