Property, Plant and Equipment

6 Months Ended

Sep. 30, 2012

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

7. Property, Plant and Equipment

Property, plant and equipment are carried at cost. Depreciation is calculated using the straight-line method over the estimated useful lives of each asset. Estimated useful lives for significant classes of assets are as follows: buildings and improvements, 10 to 39 years, and machinery and equipment, 3 to 25 years. Repairs and maintenance charges are expensed as incurred. Property, plant and equipment consist of the following (in thousands):

	September 30,			March 31,
	2012			2012
Property, plant and equipment, at cost:
Land	$	21,106		$	21,106
Buildings and improvements		25,319			25,111
Machinery and equipment		15,563			15,476
		61,988			61,693
Accumulated depreciation		(12,848	)		(11,629	)
Property, plant and equipment, net	$	49,140		$	50,064