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Commitments and Contingencies Committments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Operating Leased Assets [Line Items]  
Remaining 2014 $ 99,576
2015 123,140
2016 108,120
2017 95,712
2018 86,822
Thereafter 422,362
Total $ 935,732