XML 89 R75.htm IDEA: XBRL DOCUMENT v3.10.0.1
Employee Benefit Plans - Additional Information (Detail) - USD ($)
12 Months Ended
Jun. 30, 2018
Jun. 24, 2017
Jun. 25, 2016
Compensation And Retirement Disclosure [Abstract]      
Annual limit of employees contribution to defined contribution plan $ 18,500    
Annual limit of contribution for 50 years or older employees $ 24,500    
Percentage of maximum employer matching contribution to defined contribution plans 25.00%    
Employer matching fund vested period 4 years    
Employer matching funds vest percentage 25.00%    
Contributions by employer matching contributions $ 2,800,000 $ 2,300,000 $ 2,500,000