XML 95 R77.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock-Based Compensation - Summary of Grants of Performance Based Restricted Stock Units Associated with Non-Employee (Detail) - Performance Based Restricted Stock Units [Member] - Non-employee [Member] - $ / shares
12 Months Ended
Jul. 14, 2016
Jul. 15, 2015
Mar. 03, 2015
Apr. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted Stock Units Awarded [1] 11,549 10,364    
Vesting Period 3 years 3 years    
Price Per Share [2]       $ 28.77
Granted on July 14, 2016 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Price Per Share [3]       32.10
Granted on July 15, 2015 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Price Per Share [3]       32.10
Tranche One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted Stock Units Awarded [1]     16,000  
Vesting Period     28 months  
Tranche One [Member] | Granted on March 3, 2015 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Price Per Share [3]       32.10
Tranche Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted Stock Units Awarded [1]     12,000  
Vesting Period     16 months  
Tranche Two [Member] | Granted on March 3, 2015 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Price Per Share [2]       $ 28.77
[1] Amounts represent the maximum number of common stock shares that could be earned if certain performance targets are met as defined in the related restricted stock unit agreements.
[2] The respective grant vested during the first quarter of fiscal 2017. Accordingly, the price per share represents the closing price of our common stock on the date the award vested.
[3] The respective grant was unvested at the end of our reporting period. Accordingly, the price per share represents the closing price of our common stock on April 30, 2017, the end of our reporting period.