CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
NET LOSS	$ (13,395)	$ (18,162)
Amortization of unrecognized net periodic benefit costs, net of tax of (2013 - $1,114; 2012 - $1,089):
Net actuarial loss	1,779	1,739
Prior service credit	(29)	(29)
Change in foreign currency translation, net of tax of (2013 - $11; 2012 - $8)	(19)	13
OTHER COMPREHENSIVE INCOME, net of tax	1,731	1,723
Total Comprehensive loss	$ (11,664)	$ (16,439)