Fair Value Measurements Information about derivative positions (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gross Derivative Asset	$ 2,958	$ 2,485
Gross Derivative Liability	495	4,336
Foreign exchange forward contracts asset, net	2,463	0
Foreign exchange forward contracts liability, net	$ 0	$ 1,851

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. Includes assets not subject to a master netting arrangement and not elected to be offset.

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