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Purchased Intangible Assets (Schedule Finite-Lived Intangible Assets, Future Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2014 $ 1,124
2015 1,382
2016 1,238
2017 1,239
2018 1,195
Thereafter 39
Net $ 6,217