Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2019

Equity [Abstract]

After-tax Changes in Accumulated Other Comprehensive Loss

The after-tax changes in accumulated other comprehensive loss are as follows:

	Foreign currency translation adjustment			Derivative instruments			Pension and post-retirement benefits plans			Accumulated other comprehensive loss
Ending balance, December 31, 2018	$	(22,847	)	496			$	(25,120	)	$	(47,471	)
Net current period change	(3,048		)	—			—			(3,048		)
Derivative instruments	—			(193		)	—			(193		)
Amortization of actuarial losses	—			—			(1,008		)	(1,008		)
Ending balance, September 30, 2019	$	(25,895	)	$	303		$	(26,128	)	$	(51,720	)

	Foreign currency translation adjustment			Derivative instruments		Pension and post-retirement benefit plans			Accumulated other comprehensive loss
Ending balance, December 31, 2017	$	(17,172	)	$	—	$	(24,063	)	$	(41,235	)
Net current period change	(5,363		)	—		—			(5,363		)
Derivative instruments	—			—		—			—
Amortization of actuarial losses	—			—		(1,992		)	(1,992		)
Ending balance, September 30, 2018	$	(22,535	)	$	—	$	(26,055	)	$	(48,590	)

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

The related tax effects allocated to each component of other comprehensive (loss) income are as follows:

	Three Months Ended								Nine Months Ended
	September 30, 2019								September 30, 2019
	Before Tax Amount			Tax Expense		After Tax Amount			Before Tax Amount			Tax Expense			After Tax Amount
Amortization of actuarial losses	$	(2,186	)	$	91	$	(2,095	)	$	(380	)	$	(628	)	$	(1,008	)
Derivative instruments	(515		)	—		(515		)	(193		)	—			(193		)
Cumulative translation adjustment	(3,388		)	—		(3,388		)	(3,048		)	—			(3,048		)
Total other comprehensive income (loss)	$	(6,089	)	$	91	$	(5,998	)	$	(3,621	)	$	(628	)	$	(4,249	)

	Three Months Ended								Nine Months Ended
	September 30, 2018								September 30, 2018
	Before Tax Amount			Tax Expense		After Tax  Amount			Before Tax Amount			Tax Expense		After Tax  Amount
Amortization of actuarial losses	$	(1,230	)	$	170	$	(1,060	)	$	(2,500	)	$	508	$	(1,992	)
Cumulative translation adjustment	(1,529		)	—		(1,529		)	(5,363		)	—		(5,363		)
Total other comprehensive (loss) income	$	(2,759	)	$	170	$	(2,589	)	$	(7,863	)	$	508	$	(7,355	)