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Benefit Plans (Details 1) (Pension Benefits [Member], USD $)
In Thousands
Jun. 30, 2011
Jun. 30, 2010
Pension Benefits [Member]
   
Information for pension plans with projected benefit obligations and accumulated benefit obligations in excess of plan assets    
Projected benefit obligations $ 53,490 $ 51,114
Accumulated benefit obligations 43,528 39,363
Fair value of plan assets $ 6,056 $ 5,229