Pension and Other Post-retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2015

Pension and Other Post-retirement Benefits

Schedule of net periodic costs for the defined benefit pension plans and the post retirement healthcare plans

The following table sets forth the net periodic costs for the defined benefit pension plans and post retirement healthcare plans for the periods indicated (in thousands):

Components of net periodic benefit cost

	Quarter ended March 31,
	Pension benefits					Other post-retirement benefits
	2015			2014		2015	2014
Service cost	$	1,430		1,035		—	—
Interest cost	1,531			1,457		15	16
Expected return on plan assets	(2,593		)	(2,416	)	—	—
Amortization of prior service cost	(581		)	(581	)	—	—
Amortization of the net loss	925			356		15	12
Net periodic (benefit)/ cost	$	712		(149	)	30	28