Annual report pursuant to Section 13 and 15(d)

Financial Instruments and Risk Management Financial Instruments and Risk Management (Gross Notional Amount of Outstanding Derivatives) (Details)

v2.4.0.8
Financial Instruments and Risk Management Financial Instruments and Risk Management (Gross Notional Amount of Outstanding Derivatives) (Details) (Foreign Exchange Forward [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Designated as Hedging Instrument [Member]
   
Derivatives, Fair Value [Line Items]    
Currency forward contracts $ 99,000 $ 70,000
Not Designated as Hedging Instrument [Member]
   
Derivatives, Fair Value [Line Items]    
Currency forward contracts $ 109,000 $ 121,934