Inventories - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Apr. 30, 2013
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Apr. 30, 2012
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Inventories Net [Line Items] | ||
LIFO inventory reserve | $ 1,300,000 | $ 1,600,000 |
Increase or Decrease in cost of sales as a result of liquidation of LIFO inventory | (273,000) | 146,000 |
International Subsidiaries [Member]
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Inventories Net [Line Items] | ||
Inventories measured using FIFO method | $ 2,077,000 | $ 1,253,000 |
Maximum [Member]
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Inventories Net [Line Items] | ||
LIFO Index | 100.00% | 100.00% |
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- Details
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- Definition
The effect of liquidating LIFO (last in first out) inventory layers on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Reflects the difference between (a) inventory at the lower of LIFO cost or market and (b) inventory at replacement cost or at the lower of some acceptable inventory accounting method (such as FIFO or average cost), or market. If material, reflects an excess of replacement or current cost over stated LIFO value parenthetically on the balance sheet or in a note to the financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent. No definition available.
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