Note 9 - Property, Plant and Equipment (Details) - Components of Property, Plant and Equipment (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Components of Property, Plant and Equipment [Abstract]
Land and land improvements	$ 43,158	$ 40,520
Buildings	150,780	131,003
Machinery and equipment	913,069	867,770
Construction in progress	69,545	77,984
Total property, plant and equipment	1,176,552	1,117,277
Accumulated depreciation	(625,318)	(625,168)
Net property, plant and equipment	$ 551,234	$ 492,109