Property, Plant And Equipment, Net (Schedule of Property, Plant And Equipment, Net) (Detail) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012
Property, Plant and Equipment [Line Items]
Land	$ 7,572,000		$ 7,572,000		$ 8,046,000
Buildings and improvements	251,358,000		251,358,000		254,563,000
Machinery and equipment	1,052,058,000		1,052,058,000		1,002,539,000
Furniture and fixtures	26,581,000		26,581,000		29,423,000
Property, plant and equipment, gross	1,337,569,000		1,337,569,000		1,294,571,000
Less accumulated depreciation and amortization	(915,621,000)		(915,621,000)		(864,337,000)
Property, plant and equipment, net	421,948,000		421,948,000		430,234,000
Depreciation expense	$ 27,700,000	$ 25,600,000	$ 54,200,000	$ 54,200,000
Minimum [Member] | Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)			1 year
Minimum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)			3 years
Minimum [Member] | Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)			3 years
Maximum [Member] | Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)			50 years
Maximum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)			20 years
Maximum [Member] | Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (in Years)			10 years