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v3.19.3.a.u2

Inventories, net (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jan. 25, 2020 | Jan. 26, 2019 | Jan. 25, 2020 | Jan. 26, 2019 | Apr. 30, 2019
Inventories, net |  |  |  |  |
Raw materials | $ 19,119,000 |  | $ 19,119,000 |  | $ 16,792,000
Work in process | 33,005,000 |  | 33,005,000 |  | 19,162,000
Finished goods | 23,169,000 |  | 23,169,000 |  | 25,926,000
Inventories, gross | 75,293,000 |  | 75,293,000 |  | 61,880,000
Reserve for inventory excess and obsolescence | (10,137,000) |  | (10,137,000) |  | (7,824,000)
Inventories, net | 65,156,000 |  | 65,156,000 |  | $ 54,056,000
Inventory reserve charge | $ 617,000 |  | 3,807,000 |  |
Impairment of long-lived assets |  | $ 1,889,000 |  | $ 3,079,000 |
UAS Quantix Solution |  |  |  |  |
Inventories, net |  |  |  |  |
Inventory reserve charge |  |  | $ 2,600,000 |  |

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