Property, Plant and Equipment, net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Property, Plant and Equipment [Line Items]
Land	$ 9,742	$ 11,077
Buildings and improvements	260,074	296,401
Machinery and equipment	1,270,650	1,240,750
Furniture and fixtures	30,492	33,414
Property, plant and equipment, gross	1,570,958	1,581,642
Less accumulated depreciation and amortization	(1,018,537)	(1,071,786)
Property, plant and equipment, net	$ 552,421	$ 509,856
Buildings and Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)	1 year
Buildings and Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)	50 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)	20 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)	10 years