Property, Plant and Equipment (Tables)

3 Months Ended

Sep. 30, 2011

Notes to Financial Statements [Abstract]

Property, Plant and Equipment

Property, plant and equipment consists of the following (amounts in thousands):

	September 30, 2011		March 31, 2011
Land	$	46,529	$	46,497
Building and building improvements	381,258		375,611
Machinery and equipment	1,362,484		1,306,367
Projects in process	87,550		101,202
	1,877,821		1,829,677
Less accumulated depreciation and amortization	1,328,844		1,289,164
	$	548,977	$	540,513