CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME (LOSS)	$ (6,103)	$ 745
Pension and other postretirement benefit plans:
Net actuarial loss, net of tax of: (2016 – $2,230; 2015 – $1,166)	(3,504)	(1,831)
Pension settlement expense, net of tax of: (2016 – $350; 2015 – $435)	550	684
Amortization of unrecognized net periodic benefit costs, net of tax of: (2016 – $437; 2015 – $400)
Net actuarial loss	714	656
Prior service credit	(29)	(29)
Interest rate swap and foreign currency translation:
Change in unrealized loss on interest rate swap, net of tax of: (2016 – $353; 2015 – $235)	(546)	(364)
Change in foreign currency translation, net of tax of: (2016 – $371; 2015 – $187)	584	(295)
OTHER COMPREHENSIVE LOSS, net of tax	(2,231)	(1,179)
TOTAL COMPREHENSIVE LOSS	$ (8,334)	$ (434)