Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2018

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Changes in Accumulated Other Comprehensive Earnings/(Loss)

The components of AOCI for 2018 are as follows:

	As of December 31, 2017			Gain (Loss) Recognized in OCI			Gain (Loss) reclassified from AOCI to income			Impact of ASU No. 2018-02			As of December 31, 2018
Changes in fair market value of hedges:
Gross	$	289		$	1,932		$	(905	)	$	—		$	1,316
Income tax (expense) benefit	(105		)	(437		)	205			39			(298		)
Net	184			1,495			(700		)	39			1,018
Changes in unrealized pension cost:
Gross	(130,096		)	—			(2,358		)	—			(132,454		)
Income tax benefit (expense)	52,837			—			528			(17,472		)	35,893
Net	(77,259		)	—			(1,830		)	(17,472		)	(96,561		)
Cumulative translation adjustment:
Gross	(1,985		)	(306		)	—			—			(2,291		)
Income tax benefit (expense)	100			(5		)	—			—			95
Net	(1,885		)	(311		)	—			—			(2,196		)
Total accumulated other comprehensive (loss) income	$	(78,960	)	$	1,184		$	(2,530	)	$	(17,433	)	$	(97,739	)

The components of AOCI for 2017 are as follows:

	As of December 31, 2016			(Loss) Gain recognized in OCI			Gain (Loss) reclassified from AOCI to income			As of December 31, 2017
Changes in fair market value of hedges:
Gross	$	116		$	264		$	(91	)	$	289
Income tax (expense) benefit	(42		)	(96		)	33			(105		)
Net	74			168			(58		)	184
Changes in unrealized pension cost:
Gross	(151,618		)	—			21,522			(130,096		)
Income tax benefit (expense)	60,672			—			(7,835		)	52,837
Net	(90,946		)	—			13,687			(77,259		)
Cumulative translation adjustment:
Gross	(2,414		)	429			—			(1,985		)
Income tax benefit	92			8			—			100
Net	(2,322		)	437			—			(1,885		)
Total accumulated other comprehensive (loss) income	$	(93,194	)	$	605		$	13,629		$	(78,960	)