Property, Plant and Equipment (Tables)

12 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

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

	March 31, 2014		March 31, 2013
Land	$	55,624	$	47,102
Building and building improvements	411,149		396,611
Machinery and equipment	1,465,255		1,377,814
Projects in process	68,991		76,158
	2,001,019		1,897,685
Less accumulated depreciation and amortization	1,469,052		1,383,141
	$	531,967	$	514,544