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Balance Sheet Details - Other Assets (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Other Assets [Abstract]    
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent $ 32,881 $ 32,800
Capitalized Software Development Costs for Software Sold to Customers 20 201
Other 1,909 1,893
Total Other Assets $ 34,810 $ 34,894