Annual report pursuant to Section 13 and 15(d)

Note 19 - Restricted Cash and Investments (Detail)

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Note 19 - Restricted Cash and Investments (Detail) (USD $)
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Restricted Cash and Investments, Noncurrent $ 15,400,000   $ 17,300,000
Increase (Decrease) in Restricted Cash (975,000) (927,000) 17,318,000
Cash Equivalents [Member]
      
Increase (Decrease) in Restricted Cash (1,000,000) (1,000,000)  
Other Assets [Member]
      
Restricted Cash and Investments, Noncurrent     11,300,000
Other Liabilities [Member]
      
Restricted Cash and Investments, Noncurrent     $ 6,000,000