Pension and Postretirement Benefits (Tables)

6 Months Ended

Sep. 30, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Schedule of Net Periodic Benefit Cost Not yet Recognized

Net periodic pension cost for continuing operations consisted of the following:

	Three Months Ended September 30,						Six Months Ended September 30,
	2016			2015			2016			2015
Service cost	$	120		$	527		$	240		$	1,029
Interest expense	1,176			1,462			2,352			2,924
Expected return on plan assets	(1,403		)	(1,555		)	(2,806		)	(3,109		)
Amortization of prior service cost	10			41			20			83
Actuarial loss	524			850			1,048			1,699
Net periodic pension cost	$	427		$	1,325		$	854		$	2,626

Schedule of Net Periodic Benefit Cost, Post Employment Benefits

Net periodic benefit cost for postretirement health and life insurance benefit plans consisted of the following:

	Three Months Ended September 30,						Six Months Ended September 30,
	2016			2015			2016			2015
Service cost	$	3		$	10		$	6		$	20
Interest expense	67			110			134			221
Amortization of prior service cost	(177		)	(3		)	(354		)	(6		)
Actuarial loss	104			112			208			224
Net periodic pension cost (benefit)	$	(3	)	$	229		$	(6	)	$	459