Property, Plant and Equipment Level 3 (Tables)

9 Months Ended

Dec. 31, 2014

Notes To Financial Statements [Abstract]

Property, Plant and Equipment [Table Text Block]

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

	December 31, 2014			March 31, 2014
Land and land improvements (1)	$	35,643		$	33,601
Buildings and leasehold improvements	268,487			256,879
Machinery and equipment	373,624			360,977
Information systems	102,849			100,349
Radioisotope	280,126			258,547
Construction in progress (1)	33,904			35,016
Total property, plant, and equipment	1,094,633			1,045,369
Less: accumulated depreciation and depletion	(619,148		)	(590,959		)
Property, plant, and equipment, net	$	475,485		$	454,410

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