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Property Plant and Equipment (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Property Plant And Equipment [Abstract]    
Land and land improvements $ 4,990 $ 4,566
Buildings and improvements 110,219 91,171
Machinery and equipment 409,551 366,560
Construction in progress 34,602 17,749
Property, Plant and Equipment, gross 559,362 480,046
Less accumulated depreciation (316,505) (276,234)
Property, Plant and Equipment, net $ 242,857 $ 203,812