Property Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Property, Plant and Equipment [Line Items]
Land and improvements	$ 2,381	$ 2,236
Buildings and improvements	84,072	87,189
Machinery and equipment	310,722	276,802
Construction in progress	13,146	10,831
Property, Plant and Equipment, gross	410,321	377,058
Less accumulated depreciation	(214,410)	(206,386)
Property, Plant and Equipment, net	$ 195,911	$ 170,672