Property, Plant and Equipment

12 Months Ended

Mar. 31, 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):

	March 31,
	2012			2011
Property, plant and equipment, at cost:
Land	$	21,106		$	16,046
Buildings and improvements		25,111			19,672
Machinery and equipment		15,476			11,453
		61,693			47,171
Accumulated depreciation		(11,629	)		(11,178	)
Property, plant and equipment, net	$	50,064		$	35,993