The following tables present the changes in Accumulated Other Comprehensive Loss by Component for the three-month periods ended March 31, 2017 and 2016, respectively.



	Cumulative Translation Adjustment		Derivative Instruments		Post-retirement Benefits		Total
Beginning balance, December 31, 2016	(75,415	)	1,967		(471,703	)	(545,151	)
Other comprehensive income (loss) before reclassifications	12,517		(389	)	—		12,128
Foreign currency translation effect	—		—		(865	)	(865	)
Income tax effect	—		149		—		149
Amount reclassified from accumulated other comprehensive income (loss)
Cash flow hedges	—		(10	)	—		(10	)
Amortization of prior service credit	—		—		(141	)	(141	)
Amortization of actuarial losses	—		—		10,591		10,591
Income tax effect	—		4		(3,719	)	(3,715	)
Other comprehensive income (loss)	12,517		(246	)	5,866		18,137
Ending balance, March 31, 2017	(62,898	)	1,721		(465,837	)	(527,014	)



	Cumulative Translation Adjustment		Derivative Instruments		Post-retirement Benefits		Total
Beginning balance, December 31, 2015	(22,034	)	3,454		(491,187	)	(509,767	)
Other comprehensive (loss) income before reclassifications	(2,754	)	(4,044	)	—		(6,798	)
Foreign currency translation effect	—		—		2,029		2,029
Income tax effect	—		1,557		—		1,557
Amount reclassified from accumulated other comprehensive income (loss)
Cash flow hedges	—		(1,412	)	—		(1,412	)
Amortization of prior service credit	—		—		(141	)	(141	)
Amortization of actuarial losses	—		—		10,932		10,932
Income tax effect	—		516		(3,853	)	(3,337	)
Other comprehensive (loss) income	(2,754	)	(3,383	)	8,967		2,830
Ending balance, March 31, 2016	(24,788	)	71		(482,220	)	(506,937	)