Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Accumulated Other Comprehensive Loss (Activity)

The activity for each item of accumulated other comprehensive loss is as follows:

	Foreign currency items			Derivative Instruments		Pension and Other Post-Retirement Benefit Plans			Accumulated other comprehensive loss
Ending balance, December 31, 2016	$	(24,313	)	$	—	$	(24,532	)	$	(48,845	)
Net current period change	7,141			—		814			7,955
Reclassification adjustments for losses reclassified into income	—			—		(345		)	(345		)
Ending balance, December 31, 2017	$	(17,172	)	$	—	$	(24,063	)	$	(41,235	)
Net current period change	$	(5,675	)	$	—	$	(1,290	)	$	(6,965	)
Derivative instruments	—			496		—			$	496
Reclassification adjustments for losses reclassified into income	—			—		233			233
Ending balance, December 31, 2018	$	(22,847	)	$	496	$	(25,120	)	$	(47,471	)

Related Tax Effects Allocated to Each Component of Accumulated Other Comprehensive Income (Loss)

The related tax effects allocated to each component of other comprehensive income for the years ended December 31, 2018 and 2017 are as follows:

2018	Before Tax Amount			Tax Expense			After Tax Amount
Retirement benefits adjustment:
Net actuarial gain and prior service credit	$	1,531		$	(241	)	$	1,290
Reclassification of actuarial loss and prior service cost to net income	(233		)	—			(233		)
Net unrealized gain	1,298			(241		)	1,057
Cumulative translation adjustment	5,675			—			5,675
Derivative instruments	(496		)	—			(496		)
Total other comprehensive income	$	6,477		$	(241	)	$	6,236
2017	Before Tax Amount			Tax Expense			After Tax Amount
Retirement benefits adjustment:
Net actuarial gain and prior service credit	$	1,072		$	(258	)	$	814
Reclassification of actuarial loss and prior service cost to net income	(257		)	(88		)	(345		)
Net unrealized loss	815			(346		)	469
Cumulative translation adjustment	7,141			—			7,141
Total other comprehensive income	$	7,956		$	(346	)	$	7,610