Property Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Property Plant And Equipment [Line Items]
Land and improvements	$ 2,381	$ 2,236
Buildings and improvements	96,551	87,189
Machinery and equipment	335,408	276,802
Construction in progress	16,990	10,831
Property, Plant and Equipment, gross	451,330	377,058
Less accumulated depreciation	(242,391)	(206,386)
Property, Plant and Equipment, net	$ 208,939	$ 170,672