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Commitments, Contingencies and Guarantees (Tables)
6 Months Ended
Jun. 30, 2011
Commitments Contingencies and Guarantees [Abstract]  
Minimum Aggregate Future Obligations Under Non-cancelable Leases
The expected minimum aggregate future obligations under non-cancelable leases as of June 30, 2011 were as follows (in thousands):
 
 
Operating
Leases
Remaining 2011
$
12,239


2012
23,177


2013
21,418


2014
20,356


2015
19,632


Thereafter
56,419


Total
$
153,241