Accumulated other comprehensive income/loss (Tables)

6 Months Ended

Jun. 30, 2017

Equity [Abstract]

Schedule of changes in accumulated other comprehensive income/(loss) by component (net of tax)

Changes in accumulated other comprehensive income/(loss) (“AOCI”) by component (net of tax) are as follows:

	Foreign currency translation adjustments		Derivative financial instruments		Pension liability		Total
Six months ended June 30, 2017	$’000		$’000		$’000		$’000
Balance at January 1, 2017	(337,053	)	(3,224	)	(12,062	)	(352,339	)
Other comprehensive income before reclassifications, net of tax (benefit)/provision of $Nil, $(56) and $65	28,968		(220	)	316		29,064
Amounts reclassified from AOCI, net of tax provision of $Nil, $251 and $Nil	—		979		—		979
Net current period other comprehensive income	28,968		759		316		30,043
Balance at June 30, 2017	(308,085	)	(2,465	)	(11,746	)	(322,296	)

Schedule of reclassification out of accumulated other comprehensive income/(loss)

Reclassifications out of AOCI (net of tax) are as follows:

	Amount reclassified from AOCI
	Three months ended
	June 30, 2017	June 30, 2016
Details about AOCI components	$’000	$’000	Affected line item in the statement of operations
Derivative financial instruments:
Cash flows from derivative financial instruments related to interest payments made for hedged debt instruments	462	703	Interest expense
Total reclassifications for the period	462	703

	Amount reclassified from AOCI
	Six months ended
	June 30, 2017	June 30, 2016
Details about AOCI components	$’000	$’000	Affected line item in the statement of operations
Derivative financial instruments:
Cash flows from derivative financial instruments related to interest payments made for the hedged debt instrument	979	1,412	Interest expense
Total reclassifications for the period	979	1,412