Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Net income	$ 7,222	$ 9,617
Other comprehensive income, net of tax:
Cumulative translation adjustments	(152)	189
Pension and postretirement medical liability adjustments	316	510
Other comprehensive income	164	699
Comprehensive income	$ 7,386	$ 10,316

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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