v3.8.0.1
Performance Share Unit Activity (Parenthetical) (Detail) - Performance Share Units - Stock Plan 2010 and 2017
6 Months Ended
Dec. 29, 2017
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting percentage 0.00%
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting percentage 100.00%