XML 41 R12.htm IDEA: XBRL DOCUMENT
v3.26.1

Inventories | 12 Months Ended
--- | ---
Apr. 30, 2026
Inventory Disclosure [Abstract] |
Inventories | Inventories Inventories consisted of the following at April 30:
(in thousands) |  | 2026 |  | 2025
Finished goods |  | $ | 4,704 |  |  | $ | 5,543 |
Work-in-process |  | 5,614 |  |  | 3,784 |
Materials and components |  | 20,215 |  |  | 23,522 |
Total inventories |  | $ | 30,533 |  |  | $ | 32,849 |
At April 30, 2026 and 2025, the Company's international subsidiaries' inventories were $2,848,000 and $2,845,000, respectively, measured using the lower of cost or net realizable value under the FIFO method and are included in the above tables.

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/330/tableOfContent + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration