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Employee Benefit Plans (Summary Of All RSU Activity) (Details) (Restricted Stock Units (RSUs) [Member], USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Restricted Stock Units (RSUs) [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Awards outstanding at beginning of period, Shares 1,294,621 1,391,691 2,172,431
Awarded, Shares 1,119,733 733,958 356,498
Released, Shares (517,874) (596,397) (648,437)
Forfeited, Shares (85,959) (234,631) (488,801)
Awards outstanding at end of period, Shares 1,810,521 1,294,621 1,391,691
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Awards outstanding at beginning of period, Weighted Average Grant Date Fair Value (dollars per share) $ 6.07 $ 6.92 $ 7.31
Awarded, Weighted Average Grant Date Fair Value (dollars per share) $ 5.45 $ 5.50 $ 6.17
Released, Weighted Average Grant Date Fair Value (dollars per share) $ 6.60 $ 7.15 $ 7.43
Forfeited, Weighted Average Grant Date Fair Value (dollars per share) $ 5.49 $ 6.62 $ 7.45
Awards outstanding at end of period, Weighted Average Grant Date Fair Value (dollars per share) $ 5.56 $ 6.07 $ 6.92
Awards outstanding, Weighted Average Remaining Contractual Term 2 years 0 months 18 days    
Awards outstanding, Aggregate Intrinsic Value $ 10,736