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Leases
12 Months Ended
Dec. 31, 2011
Leases  
Leases

8. Leases

        The Company leases certain property and equipment under noncancelable operating leases. Rental expense under such operating leases was $66.1 million, $62.9 million and $64.3 million in 2011, 2010 and 2009, respectively.

        Future minimum payments under operating leases with noncancelable terms are as follows:

(in thousands)
   
 

2012

  $ 47,771  

2013

    39,887  

2014

    28,835  

2015

    20,822  

2016

    14,586  

After 2016

    19,704  

        Total minimum rentals to be received in the future under noncancelable subleases at December 31, 2011 are $9.4 million.