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Goodwill and Intangible Assets (Details 4) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Estimated aggregate amortization expense for the remainder of fiscal 2013, for each of the next five years and thereafter  
Remainder of 2013 $ 22,910
2014 44,708
2015 43,157
2016 42,451
2017 41,056
2018 41,056
Thereafter $ 127,945