Property, Plant and Equipment

6 Months Ended

Sep. 30, 2012

Property, Plant and Equipment [Line Items]

Information related to the major categories of our depreciable assets is as follows:



	September 30, 2012			March 31, 2012
Land and land improvements (1)	$	35,032		$	33,099
Buildings and leasehold improvements	236,734			230,823
Machinery and equipment	306,858			301,665
Information systems	107,625			110,130
Radioisotope	226,616			210,899
Construction in progress (1)	41,904			22,811
Total property, plant, and equipment	954,769			909,427
Less: accumulated depreciation and depletion	(541,006		)	(523,018		)
Property, plant, and equipment, net	$	413,763		$	386,409


(1)	Land is not depreciated. Construction in progress is not depreciated until placed in service.

- Definition

The entire disclosure for 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, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. 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.

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