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Restructuring (Changes in Restructuring Accrual) (Details) (Quarter Four Two Thousand Thirteen Restructuring Plan [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Quarter Four Two Thousand Thirteen Restructuring Plan [Member]
 
Summary of changes in restructuring accrual  
Beginning balance $ 277
Cash payments (238)
Adjustments to restructuring charges (39)
Ending balance $ 0