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Consolidated Statements of Comprehensive (Loss) Income - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Income Statement [Abstract]        
Net (loss) earnings $ (3,551) $ 1,782 $ (4,593) $ 2,674
Other comprehensive income (loss)        
Foreign currency translation adjustments (1,135) (951) (2,381) (970)
Amortization of net prior service costs and net actuarial losses, net of tax (42) (2) 9 71
Other comprehensive income (loss) (1,177) (953) (2,372) (899)
Comprehensive (loss) income $ (4,728) $ 829 $ (6,965) $ 1,775