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Intangibles, Net And Goodwill (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Mar. 28, 2015
Intangibles, Net And Goodwill [Abstract]      
Finite-Lived Intangible Assets, Net $ 135,188 $ 162,832  
Goodwill 286,767 287,518  
Amortization expense for intangibles $ 37,400 $ 35,700 $ 18,200