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Property and Equipment, net - Additional Information (Details)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 01, 2016
USD ($)
Store
Sep. 26, 2015
USD ($)
Oct. 01, 2016
USD ($)
Store
Sep. 26, 2015
USD ($)
Property, Plant and Equipment [Abstract]        
Depreciation and amortization of property and equipment $ 50.2 $ 43.9 $ 97.1 $ 83.6
Fixed asset impairment charges   $ 0.0 $ 4.9 $ 0.0
Number Of Stores Impaired | Store 10   10