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11. Segment Profit Reconciliation (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Income before income taxes $ (20,195) $ (26,694)
Foreign Currency Gain (Loss) [Member]    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Income before income taxes 1,100 3,800
Corporate, Non-Segment [Member]    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Income before income taxes (1,700) (3,400)
Operating Segments [Member]    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Income before income taxes (21,800) (32,700)
Other Nonoperating Income (Expense) [Member]    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Income before income taxes $ (1,200) $ (1,200)