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Derivatives and Hedging Activities (Derivative Instruments) (Details) (Foreign Exchange Contracts [Member], USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Designated as Hedge Instruments [Member]
  
Derivative assets: foreign exchange contracts $ 0 [1]
Derivative liabilities: foreign exchange contracts 0 [2]
Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedge Instruments [Member]
  
Derivative assets: foreign exchange contracts 10 [1]
Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedge Instruments [Member]
  
Derivative liabilities: foreign exchange contracts $ 30 [2]
[1] All derivative assets are recorded as prepaid expenses and other current assets in the condensed consolidated balance sheet.
[2] All derivative liabilities are recorded as accrued expenses and other current liabilities in the condensed consolidated balance sheet.