Inventories (Components Of Inventories) (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Apr. 30, 2020
Inventory, Net [Abstract]
Raw materials	$ 50,869	$ 51,460
Work-in-process	49,129	42,381
Finished goods	41,279	32,572
Total FIFO inventories	141,277	126,413
Reserve to adjust inventories to LIFO value	(14,577)	(14,577)
Total inventories	126,700	111,836
Inventory carried under FIFO	78,700	66,000
Inventory carried under LIFO	$ 48,000	$ 45,800

The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

+ References

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

+ References

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