Restructuring Charges, Net - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2019 |
Apr. 30, 2018 |
Apr. 30, 2017 |
|
| Restructuring Cost And Reserve [Line Items] | |||
| Restructuring charges, net | $ 0 | $ 78,000 | $ 34,600,000 |
| Facilities | |||
| Restructuring Cost And Reserve [Line Items] | |||
| Restructuring charges, net | $ 100,000 | 18,600,000 | |
| Severance | |||
| Restructuring Cost And Reserve [Line Items] | |||
| Restructuring charges, net | $ 16,000,000 | ||
| X | ||||||||||
- Definition Restructuring charges (recoveries) net. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|