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Property, Plant and Equipment | 12 Months Ended
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Mar. 31, 2011
Property, Plant and Equipment |
Property, Plant and Equipment | 7. Property, Plant and Equipment The cost and accumulated depreciation of property and equipment at March 31, 2011 and 2010 are as follows (in thousands):
| March 31,
| 2011 | 2010
Land | $ 4,022 | $ 4,022
Construction in progress—equipment | 25,968 | 13,099
Buildings | 36,852 | 36,599
Equipment and software | 57,151 | 34,980
Furniture and fixtures | 1,807 | 1,502
Leasehold improvements | 5,024 | 3,389
Property, Plant and equipment, gross | 130,824 | 93,591
Less accumulated depreciation and amortization | (34,330) | (29,276)
Property, plant and equipment, net | $ 96,494 | $ 64,315
Depreciation and amortization expense was $8.4 million, $7.1 million, and $5.6 million for the fiscal years ended March 31, 2011, 2010, and 2009, respectively.

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- Definition Disclosure of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, building and production equipment. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures. This element may be used as a single block of text to include the entire PPE disclosure, including data and tables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 + Details
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