Comprehensive income (loss) (Tables)

6 Months Ended

Jun. 30, 2015

Comprehensive income (loss) [Abstract]

Comprehensive income (loss)

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

Three Months Ended June 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	$	(2,972	)	$	(37,843	)	$	(139	)	$	30		$	(40,924	)
Other comprehensive income (loss) before reclassifications	—			—			9			(43		)	(34		)
Amounts reclassified from accumulated other comprehensive loss	100			584			—			28			712
Net current-period other comprehensive income (loss)	100			584			9			(15		)	678
Balance at end of period	$	(2,872	)	$	(37,259	)	$	(130	)	$	15		$	(40,246	)

Three Months Ended June 30, 2014	Net Unrealized Gain (Loss) on Derivative  Instruments  Qualifying as Hedges			Postretirement  Liability Adjustment			Foreign Currency Translation Adjustment			Net Unrealized Gain on Available-for-sale Investments		Total Accumulated  Other Comprehensive  Loss
	(In thousands)
Balance at beginning of period	$	(3,421	)	$	(33,532	)	$	(621	)	$	36	$	(37,538	)
Other comprehensive income before reclassifications	—			—			42			8		50
Amounts reclassified from accumulated other comprehensive loss	13			245			—			32		290
Net current-period other comprehensive income	13			245			42			40		340
Balance at end of period	$	(3,408	)	$	(33,287	)	$	(579	)	$	76	$	(37,198	)

Six Months Ended June 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	—			—			(103		)	(64		)	(167		)
Amounts reclassified from accumulated other comprehensive loss	199			959			802			64			2,024
Net current-period other comprehensive income	199			959			699			—			1,857
Balance at end of period	$	(2,872	)	$	(37,259	)	$	(130	)	$	15		$	(40,246	)

Six Months Ended June 30, 2014	Net Unrealized Gain (Loss) on Derivative  Instruments  Qualifying as Hedges			Postretirement  Liability Adjustment			Foreign Currency Translation Adjustment			Net Unrealized Gain on Available-for-sale Investments		Total Accumulated  Other Comprehensive  Loss
	(In thousands)
Balance at beginning of period	$	(3,765	)	$	(33,807	)	$	(667	)	$	34	$	(38,205	)
Other comprehensive income before reclassifications	—			—			88			10		98
Amounts reclassified from accumulated other comprehensive loss	357			520			—			32		909
Net current-period other comprehensive income	357			520			88			42		1,007
Balance at end of period	$	(3,408	)	$	(33,287	)	$	(579	)	$	76	$	(37,198	)

Reclassification out of accumulated other comprehensive income

Reclassifications out of accumulated other comprehensive loss were as follows:

	Three Months Ended						Six Months Ended						Location on Consolidated Statements of Income
	June 30,						June 30,
	2015			2014			2015			2014
	(In thousands)
Reclassification adjustment for loss on derivative instruments included in net income (loss):
Interest rate derivative instruments	$	(160	)	$	(160	)	$	(320	)	$	(320	)	Interest expense
	60			60			121			121			Income taxes
	(100		)	(100		)	(199		)	(199		)
Commodity derivative instruments, net of tax	—			87			—			(158		)	Discontinued operations
	(100		)	(13		)	(199		)	(357		)
Amortization of postretirement liability losses included in net periodic benefit cost	(1,004		)	(395		)	(1,608		)	(838		)	(a)
	420			150			649			318			Income taxes
	(584		)	(245		)	(959		)	(520		)
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)	(43		)	(49		)	(98		)	(49		)	Other income
	15			17			34			17			Income taxes
	(28		)	(32		)	(64		)	(32		)
Total reclassifications	$	(712	)	$	(290	)	$	(2,024	)	$	(909	)

(a) Included in net periodic benefit cost (credit). For more information, see Note 15.