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Balance Sheet Components (Schedule Of Estimated Amortization Expense Related To Intangibles) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract]    
2016 $ 16,921  
2017 11,386  
2018 7,871  
2019 6,028  
2020 5,316  
Thereafter 1,425  
Total expected amortization expense $ 48,947 $ 66,230