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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Lease Commitments
Lease commitments under non-cancelable operating leases with initial or remaining terms in excess of one year and sublease income associated with non-cancelable subleases, are as follows:
 
 
 
Operating
Leases
 
Sublease
Income
 
 
(In thousands)
Years ending December 31,
 
 
 
 
2012
 
$
59,925

 
$
779

2013
 
53,600

 
736

2014
 
50,138

 
539

2015
 
37,051

 
539

2016
 
31,036

 
539

Thereafter
 
29,573

 
90

 
 
$
261,323

 
$
3,222