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Related Party Transactions (Summary Of Related Party Outstanding Balances) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Related Party Transaction [Line Items] |  |
Miscellaneous | $ 66,299 | $ 102,170
Axionlog Distribution B.V. [Member] |  |
Related Party Transaction [Line Items] |  |
Accounts and notes receivable | 1,854 | 0
Other receivables | 2,266 | 1,796
Miscellaneous | 1,729 | 14,901
Accounts payable | $ 5,110 | $ 7,742

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