Acquisition - Summary of Net Assets Acquired (Detail) - USD ($) $ in Thousands |
Apr. 30, 2020 |
Nov. 01, 2019 |
Apr. 30, 2019 |
Apr. 30, 2018 |
||
|---|---|---|---|---|---|---|
| Business Acquisition [Line Items] | ||||||
| Goodwill | $ 613,943 | $ 578,298 | $ 584,222 | |||
| Acquired Companies | ||||||
| Business Acquisition [Line Items] | ||||||
| Current assets | [1] | $ 44,475 | ||||
| Long-term assets | 15,024 | |||||
| Intangibles assets | 45,400 | |||||
| Current liabilities | 29,503 | |||||
| Long-term liabilities | 5,720 | |||||
| Net assets acquired | 69,676 | |||||
| Purchase price | 108,602 | |||||
| Goodwill | $ 38,926 | |||||
| ||||||
| 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 Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|