Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net loss	$ (24,443)	$ (1,341)	$ (60,945)	$ (5,188)
Changes in fair value of derivative, net of tax of $37, $37, $110 and $111	59	59	178	177
Changes in defined benefit pension plans, net of tax of $471, $364, $(740) and $924	762	441	(1,113)	1,329
Total comprehensive loss	$ (23,622)	$ (841)	$ (61,880)	$ (3,682)