Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income (loss)	$ 4,888	$ (5,100)
Changes in fair value of derivative, net of tax of $37 and $36	59	60
Changes in defined benefit pension plans, net of tax of $400 and $458	642	757
Other Comprehensive Income, Other, Net of Tax	(7)	0
Total comprehensive income (loss)	$ 5,582	$ (4,283)