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Intangibles, net and Goodwill (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2018
Mar. 25, 2017
Mar. 26, 2016
Goodwill and Intangible Assets Disclosure [Abstract]      
Intangibles, net $ 111,547 $ 135,188  
Amortization expense for intangibles 53,700 37,400 $ 35,700
Goodwill $ 288,718 $ 286,767