Restructuring Charges, Net - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2015 |
|
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | $ 34,600 | $ 33,013 | $ 9,468 |
| Restructuring liability included in other long-term liabilities | 4,600 | 600 | |
| Severance | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | 15,963 | 32,151 | 9,200 |
| Facilities | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | $ 18,637 | $ 862 | $ 300 |
| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| 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 | ||||||||||
- Definition Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|