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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2011
Commitments and Contingencies [Abstract]  
Leases
         
    (In thousands)  

2012

  $ 14,398  

2013

    6,519  

2014

    4,234  

2015

    2,108  

2016

    1,599  

Thereafter

    1,194  
   

 

 

 
    $ 30,052