Related Party Transactions (Details)
$ in Millions
12 Months Ended
Apr. 01, 2017
USD ($)
store
Mar. 26, 2016
USD ($)
store
Mar. 28, 2015
USD ($)
store
Dec. 24, 2016
store
Sep. 24, 2016
store
Jun. 25, 2016
store
Dec. 26, 2015
store
Sep. 26, 2015
store
Jun. 27, 2015
store
Related Party Transactions                  
Number of stores | store 219 208 169 219 212 210 206 201 176
Lease payments $ 41.3 $ 38.1 $ 27.3            
Freeman Spogli & Co.                  
Related Party Transactions                  
Ownership interest by majority stockholder in specialty retail vendor 30.30%                
Capital expenditures related to specialty retail vendor $ 0.2 0.0 0.0            
Minority Stockholder | Cost of goods sold                  
Related Party Transactions                  
Lease payments   $ 0.2 $ 0.2