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Other Assets (Details) (USD $)
Dec. 31, 2011
Jun. 30, 2011
Other Assets [Abstract]    
Debt issuance costs $ 9,245,000 $ 3,032,000
Deposits and restricted cash 10,625,000 10,379,000
Long-term prepaid expenses and other long-term assets 8,590,000 5,948,000
Total other assets 28,460,000 19,359,000
Accrued debt issuance cost $ 200,000