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Inventory (Tables) | 6 Months Ended
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Sep. 30, 2015
Inventory [Abstract] |
Schedule of inventory | Inventory is comprised of the following:
|  | September 30, 2015 |  |  | March 31, 2015 |
Non-core inventory |  |  |  |  |  |
Raw materials |  | $ | 17,407,000 |  |  | $ | 18,836,000 |
Work-in-process |  |  | 557,000 |  |  |  | 255,000 |
Finished goods |  |  | 38,200,000 |  |  |  | 39,828,000 |
|  |  | 56,164,000 |  |  |  | 58,919,000 |
Less allowance for excess and obsolete inventory |  |  | (2,191,000 | ) |  |  | (2,090,000 | )
Total |  | $ | 53,973,000 |  |  | $ | 56,829,000 |
Inventory unreturned |  | $ | 10,641,000 |  |  | $ | 7,833,000 |
Long-term core inventory |  |  |  |  |  |  |  |
Used cores held at the Company's facilities |  | $ | 38,044,000 |  |  | $ | 27,417,000 |
Used cores expected to be returned by customers |  |  | 10,382,000 |  |  |  | 9,799,000 |
Remanufactured cores held in finished goods |  |  | 19,881,000 |  |  |  | 21,557,000 |
Remanufactured cores held at customers' locations (1) |  |  | 164,313,000 |  |  |  | 130,762,000 |
|  |  | 232,620,000 |  |  |  | 189,535,000 |
Less allowance for excess and obsolete inventory |  |  | (1,238,000 | ) |  |  | (585,000 | )
Total |  | $ | 231,382,000 |  |  | $ | 188,950,000 |
Long-term core inventory deposits (1) |  | $ | 5,569,000 |  |  | $ | 31,571,000 |
(1) | During the three months ended September 30, 2015, the Company completed the core buy-back program with one of its largest customers. As a result of the completion of this buy-back program and related long-term core inventory reconciliations, $25,805,000 from the long-term core inventory deposits account was transferred to the remanufactured cores held at customers’ locations account within long-term core inventory. At March 31, 2015, $26,002,000 of remanufactured cores in connection with this core buy-back program was included in long-term core inventory deposits.

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- Definition Tabular disclosure of the carrying 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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