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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2012
Commitments and Contingencies (Tables) [Abstract]  
Operating Leases
Future minimum rental payments under operating leases with remaining lease terms in excess of one year at December 31, 2012 are as follows:
 
Operating Leases
Year Ending December 31,
(In thousands)
2013
$
183,183

2014
154,569

2015
119,821

2016
78,876

2017
32,079

Thereafter
5,035

 
$
573,563
Investment in Equipment under Capital Leases
Our investment in equipment under capital leases are as follows:
 
 
December 31,
 
 
2012
 
2011
 
 
(In thousands)
Equipment under capital lease
 
$
—

 
$
2,773

Less accumulated amortization
 
—

 
(2,689
)
Equipment under capital lease, net
 
$
—

 
$
84