v3.6.0.2
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 30, 2016
Dec. 25, 2015
Dec. 30, 2016
Dec. 25, 2015
Jun. 24, 2016
Income Taxes [Line Items]          
Liability for uncertain tax positions including accrued interest and penalties $ 1.9   $ 1.9   $ 1.8
Corporate effective income tax rate 6.80% 6.80% 6.70% 6.70%  
Earliest Tax Year          
Income Taxes [Line Items]          
Tax year remain open to examination     2012    
Latest Tax Year          
Income Taxes [Line Items]          
Tax year remain open to examination     2016