Supplemental cash flow information

12 Months Ended

Dec. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

Supplemental cash flow information

	2017	2016	2015
Year ended December 31,	$’000	$’000	$’000
Cash paid during the period for:
Interest	30,329	40,930	27,828
Income taxes, net of refunds	19,838	19,804	18,306

To reflect the actual cash paid for capital expenditure to acquire property, plant and equipment, increases in accounts payable for capital expenditure are non-cash and excluded from capital expenditure, while decreases are cash payments and included. The changes in accounts payable were an increase of $661,000 and a decrease of $223,000 for the years ended December 31, 2017 and 2016, respectively.

During the year ended December 31, 2016, cash paid during the period for interest of $30,329,000 (December 31, 2016$40,930,000 ) included the payment of accrued interest on a 1984 development loan from a municipal agency that was fully repaid by Charleston Center LLC in June 2016. See Note 11.