Pensions (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of components of net periodic pension benefit cost

Components of net periodic pension benefit cost are as follows:

	Three months ended				Six months ended
	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
	$’000		$’000		$’000		$’000
Service cost	—		—		—		—
Interest cost on projected benefit obligation	246		279		489		554
Expected return on assets	(259	)	(291	)	(514	)	(578	)
Net amortization and deferrals	187		140		372		279
Net periodic benefit cost	174		128		347		255