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Accumulated Other Comprehensive Loss (AOCL) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Accumulated other comprehensive loss    
Unrealized loss on foreign currency hedging, net of tax $ (759) $ (486)
Cumulative foreign currency translation adjustment, net of tax (1,284) (2,157)
Accumulated other comprehensive loss $ (2,043) $ (2,643)