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Derivative Instruments Derivative Instruments (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Derivative Instruments [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure	$ 111,000
Accumulated Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0	0
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 0	$ 0

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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