Restructuring - Additional Information (Detail) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Jul. 31, 2017
USD ($)
Employee
|
Jul. 31, 2016
USD ($)
Employee
|
Jul. 31, 2015
USD ($)
Employee
|
|
Restructuring Cost and Reserve [Line Items] | |||
Restructuring, net | $ 1,967 | $ 7,421 | $ 5,130 |
Restructuring charge related to workforce reduction | 1,500 | 5,900 | 4,900 |
Restructuring charge related to facility closed | $ 500 | $ 1,500 | $ 200 |
Number of workforce reduction | Employee | 78 | 228 | 235 |