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% |