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Benefit Plans (Details 5) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Equity Securities [Member]
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2010
Equity Securities [Member]
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2011
Debt Securities [Member]
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2010
Debt Securities [Member]
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2011
Other Asset [Member]
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2010
Other Asset [Member]
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2011
Fair Value, Inputs, Level 1 [Member]
Jun. 30, 2010
Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Asset Information                  
Equity securities Minimum 40.00%                
Equity securities Maximum 70.00%                
Debt Securities Minimum 20.00%                
Debt Securities Maximum 50.00%                
Other Minimum 0.00%                
Other Maximum 20.00%                
Target Allocation, Total 100.00%                
Fair value of plan assets   $ 3,876 $ 2,987 $ 1,756 $ 1,977 $ 424 $ 265 $ 6,056 $ 5,229