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Inventory

12 Months Ended

Mar. 31, 2012

7. Inventory

Non-core inventory, Inventory unreturned, Long-term core inventory, and Long-term core inventory deposit is comprised of the following at March 31:

	2012			2011
Non-core inventory
Raw materials	$	31,560,000		$	11,805,000
Work-in-process		153,000			104,000
Finished goods		72,171,000			19,579,000
		103,884,000			31,488,000
Less allowance for excess and obsolete inventory		(8,813,000	)		(1,755,000	)
Total	$	95,071,000		$	29,733,000


Inventory unreturned	$	9,819,000		$	5,031,000
Long-term core inventory
Used cores held at the Company's facilities	$	47,206,000		$	22,112,000
Used cores expected to be returned by customers		5,542,000			3,467,000
Remanufactured cores held in finished goods		25,751,000			13,994,000
Remanufactured cores held at customers' locations		118,402,000			41,829,000
		196,901,000			81,402,000
Less allowance for excess and obsolete inventory		(2,495,000	)		(844,000	)
Total	$	194,406,000		$	80,558,000

Long-term core inventory deposit	$	26,939,000		$	25,984,000

- Definition

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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