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Stock-Based Compensation - Restricted Stock and Restricted Stock Units (Details)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
May. 11, 2016
shares
May. 11, 2015
shares
May. 08, 2014
shares
May. 14, 2013
individual
shares
Sep. 24, 2006
$ / shares
shares
Mar. 27, 2016
USD ($)
shares
Mar. 29, 2015
shares
Restricted Stock              
Stock-based compensation              
Unvested shares outstanding (in shares)           0  
Restricted Stock | Chairman and Chief Executive Officer              
Stock-based compensation              
Shares of common stock granted (in shares)         225,000    
Vesting period         10 years    
Weighted-average grant date fair value (in dollars per share) | $ / shares         $ 10.56    
Vested (in shares)           22,500 22,500
RSU awards | Non-employee director | Award Date May 14, 2013              
Stock-based compensation              
Shares of common stock granted (in shares)       15,000      
Number of individuals not receiving RSU awards | individual       1      
Annual vesting percentage       25.00%      
Unrecognized compensation costs (in dollars) | $           $ 0.1  
Unrecognized compensation costs, period for recognition           1 year  
RSU awards | Non-employee director | Award Date May 8, 2014              
Stock-based compensation              
Shares of common stock granted (in shares)     10,000        
Annual vesting percentage     25.00%        
Unrecognized compensation costs (in dollars) | $           $ 0.1  
Unrecognized compensation costs, period for recognition           2 years  
RSU awards | Non-employee director | Award Date May 11, 2015              
Stock-based compensation              
Shares of common stock granted (in shares)   10,000          
Annual vesting percentage   25.00%          
Unrecognized compensation costs (in dollars) | $           $ 0.2  
Unrecognized compensation costs, period for recognition           3 years  
RSU awards | Non-employee director | Award Date May 11, 2016              
Stock-based compensation              
Shares of common stock granted (in shares) 10,000            
Annual vesting percentage 25.00%