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Basis of Presentation (Additional Cash Flow Information) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Non-cash operating items:        
Equity in net (income) loss of affiliates $ (64,363) $ (132) $ (62,194) $ 7,149
Deferred taxes     19,380 11,285
Depreciation and amortization     21 6
Stock-based compensation       417
Amortization of prior service credit and actuarial (gain) loss     206 3,014
Net non-cash operating items - continuing operations     (42,587) 21,871
Continuing Operations [Member]
       
Supplemental information:        
Interest paid     7 8
Tax payments (refunds)     (127) 86
Discontinued Operations [Member]
       
Supplemental information:        
Tax payments (refunds)       $ 35,118