Net Periodic Benefit Cost (Tables)

3 Months Ended

Jun. 30, 2016

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 (benefit) cost for the Company’s defined benefit pension plans (in thousands):

	Three months ended
	June 30, 2016			June 30, 2015
Service costs	$	451		$	517
Interest cost	4,115			2,459
Expected return on plan assets	(5,619		)	(3,679		)
Net amortization	794			909
Settlement	247			—
Net periodic pension (benefit) cost	$	(12	)	$	206

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, 2016		June 30, 2015
Interest cost	$	42	$	51
Amortization of plan net losses	9		33
Net periodic postretirement cost	$	51	$	84