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Goodwill and Acquisition-Related Intangibles (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Apr. 02, 2011
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of acquisition-related intangibles $ 9,508 $ 7,568 $ 1,034
Schedule of expected annual amortization expense for acquisition-related intangibles      
2014 9,542    
2015 8,846    
2016 8,244    
2017 6,473    
2018 2,347    
Thereafter 602    
Total $ 36,054 $ 36,332