Derivatives and Hedging Activities (Fair Value Balance Sheet Disclosures) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Not Designated as a Hedging Instrument \| Forward Exchange Contracts
Fair value disclosues, by balance sheet location
Current derivative assets	$ 11,709	$ 5,215
Noncurrent derivative assets	6	729
Current derivative liabilities	6,168	2,207
Noncurrent derivative liabilities	348	113
Designated as Hedging Instrument \| Interest Rates Swaps and Forward Exchange Contracts
Fair value disclosues, by balance sheet location
Current derivative assets	0	146
Current derivative liabilities	6,952	409
Noncurrent derivative liabilities	$ 411	$ 37

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References+ Details

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References+ Details