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Supplemental cash flow information
 12 Months Ended
Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract]  
Supplemental cash flow information
Supplemental cash flow information
 
 
 
2013
 
2012
 
2011
Year ended December 31,
 
$’000
 
$’000
 
$’000
 
 
 
 
 
 
 
Cash paid for:
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest
 
27,320

 
29,756

 
37,233

 
 
 
 
 
 
 
Income taxes, net of refunds
 
22,275

 
28,967

 
16,413



To reflect the actual cash paid for capital expenditures, increases in accounts payable for capital expenditures are non-cash and excluded from capital expenditure, while decreases are cash payments and included. The changes in accounts payable were an increase of $186,000 and $709,000 for the years ended December 31, 2013 and 2012, respectively.