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Insurance Reserves
 12 Months Ended
Dec. 31, 2017
Insurance Reserves  
Insurance Reserves

12. Insurance Reserves

 

The following table summarizes changes in our insurance program reserves (in thousands):

 

 

 

 

 

 

Balance as of December 27, 2015

    

$

30,550

 

Additions

 

 

42,508

 

Payments

 

 

(37,615)

 

Balance as of December 25, 2016

 

 

35,443

 

Additions

 

 

47,032

 

Payments

 

 

(40,633)

 

Balance as of December 31, 2017

 

$

41,842

 

 

We are a party to standby letters of credit with off-balance sheet risk associated with our insurance programs. The total amount committed under letters of credit for these programs was $31.9 million at December 31, 2017.