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Income Taxes - Reconciliation of Federal Statutory Tax Expense to Provision for Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 27, 2017
Dec. 28, 2016
Dec. 27, 2017
Dec. 28, 2016
Income Tax Disclosure [Abstract]        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     28.00%  
Income tax expense at statutory rate $ 11,520   $ 15,761  
FICA tax credit 4,555   6,232  
State income taxes, net of federal benefit 1,362   1,863  
Stock based compensation excess tax (windfall) shortfall (400)   1,170  
Revaluation of deferred taxes 8,738   8,738  
Other (889)   (252)  
Provision for income taxes $ 15,776 $ 13,631 $ 21,048 $ 23,364