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Schedule Of Location Of Derivatives On Balance Sheet (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Derivative [Line Items]    
Interest rate hedge asset - Fair Value Asset Derivatives      
Forward purchase commitment - Asset Derivatives found in Other Assets 6,021 6,327
Interest rate hedge liability - Fair Value Liability Derivatives 250,933 219,167
Forward purchase commitments found in Account payable and other liabilities