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Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2013
Commitments and Contingencies  
Schedule of guarantees

We have issued the following guarantees that are not recorded on our accompanying balance sheet (dollars in thousands):

 

 

 

Term

 

Maximum Potential
Undiscounted
Payments as of
March 31, 2013

 

Performance guarantees through letters of credit(1)

 

2013-2017

 

$

235,957

 

Standby letters of credit

 

2013-2014

 

13,435

 

Commercial letters of credit

 

2013

 

1,113

 

Bid bonds and performance bonds(1)

 

2013-2018

 

86,643

 

Maximum potential undiscounted payments

 

 

 

$

337,148

 

 

 

(1)       We have issued guarantees to third parties to ensure performance of our obligations, some of which may be fulfilled by third parties.