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Goodwill Impairment Loss Goodwill Impairment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Goodwill [Line Items]        
Goodwill, Impairment Loss $ 0 $ 44,465 $ 0 $ 44,465
Flexible Packaging Films [Member] [Domain]        
Goodwill [Line Items]        
Goodwill, Impairment Loss $ 0 $ 44,465 $ 0 $ 44,465