Net Periodic Benefit Cost (Tables)

3 Months Ended

Jun. 30, 2015

Pension Plans, Defined Benefiit

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs

The following table sets forth the components of net periodic pension cost for the Company’s defined benefit pension plans (in thousands):

	Three months ended
	June 30, 2015			June 30, 2014
Service costs	$	517		$	560
Interest cost	2,459			2,529
Expected return on plan assets	(3,679		)	(3,549		)
Net amortization	909			1,069
Net periodic pension cost	$	206		$	609

Other Postretirement Benefit Plans, Defined Benefit

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs

The following table sets forth the components of net periodic postretirement benefit cost for the Company’s defined benefit postretirement plans (in thousands):

	Three months ended
	June 30, 2015		June 30, 2014
Interest cost	$	51	$	54
Amortization of plan net losses	33		19
Net periodic postretirement cost	$	84	$	73