Pensions (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Components of net periodic pension benefit cost

Components of net periodic pension benefit cost are as follows:

	Three months ended				Nine months ended
	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
	$’000		$’000		$’000		$’000
Service cost	—		—		—		—
Interest cost on projected benefit obligation	288		237		862		831
Expected return on assets	(211	)	(225	)	(632	)	(788	)
Net amortization and deferrals	224		136		671		476
Net periodic benefit cost	301		148		901		519