Accumulated other comprehensive loss (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

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

Changes in accumulated other comprehensive income/(loss) (“AOCI”) by component (net of tax) for the years ended December 31, 2018 and 2017 were as follows:

	Foreign currency translation adjustments		Derivative financial instruments		Pension liability		Total
	$’000		$’000		$’000		$’000
Balance at January 1, 2017	(337,053	)	(3,224	)	(12,062	)	(352,339	)
Other comprehensive income/(loss) before reclassifications, net of tax provision/(benefit) of $Nil, $(50) and $73	48,095		(121	)	310		48,284
Amounts reclassified from AOCI, net of tax provision of $Nil, $860 and $Nil	692		2,041		—		2,733
Net current period other comprehensive income	48,787		1,920		310		51,017
Balance at December 31, 2017	(288,266	)	(1,304	)	(11,752	)	(301,322	)
Other comprehensive (loss)/income before reclassifications, net of tax provision of $Nil, $Nil and $Nil	(39,875	)	530		689		(38,656	)
Amounts reclassified from AOCI, net of tax provision of $Nil, $Nil and $Nil	—		1,759		—		1,759
Net current period other comprehensive (loss)/income	(39,875	)	2,289		689		(36,897	)
Balance at December 31, 2018	(328,141	)	985		(11,063	)	(338,219	)

Schedule of reclassifications out of AOCI

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

	Amount reclassified from AOCI
	December 31, 2018	December 31, 2017
Details about AOCI components	$’000	$’000	Affected line item in the statement of operations
Foreign currency translation adjustments:
Reclassification upon sale of operating unit	—	692	Gain on disposal of property, plant and equipment and equity method investments
Derivative financial instruments:
Cash flows from derivative financial instruments related to interest payments made for the hedged debt instrument	1,759	2,041	Interest expense
Total reclassifications for the period	1,759	2,733