v2.4.0.8
Stock-based Compensation (Summary Of Stock Option Activity) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 28, 2014
Sep. 28, 2014
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options, Balance, December 30, 2013   1,493
Options, Granted 0 79
Options, Exercised   (93)
Options, Cancelled   (302)
Options, Balance, September 28, 2014   1,177
Options, Vested and expected to vest at September 28, 2014   1,148
Options, Exercisable, September 28, 2014   886
Options, Weighted Average Exercise Price, Balance, December 30, 2013   $ 41.93
Options, Weighted Average Exercise Price, Granted   $ 33.00
Options, Weighted Average Exercise Price, Exercised   $ 24.43
Options, Weighted Average Exercise Price, Cancelled   $ 52.34
Options, Weighted Average Exercise Price, Balance, September 28, 2014   $ 40.04
Options, Weighted Average Exercise Price, Vested and expected to vest at September 28, 2014   $ 40.21
Options, Weighted Average Exercise Price, Exercisable, September 28, 2014   $ 42.08
Options, Weighted Average Remaining Contractual Term (in years), Balance, September 28, 2014   5 years 5 months 16 days
Options, Weighted Average Remaining Contractual Term (in years), Vested and expected to vest, September 28, 2014   5 years 4 months 21 days
Options, Weighted Average Remaining Contractual Term (in years), Exercisable, September 28, 2014   4 years 7 months 6 days
Options, Aggregate Intrinsic Value, Balance, September 28, 2014   $ 519
Options, Aggregate Intrinsic Value, Vested and expected to vest at September 28, 2014   517
Options, Aggregate Intrinsic Value, Exercisable, September 28, 2014   $ 496