Pension and Postretirement Benefits (Tables)

9 Months Ended

Dec. 31, 2015

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 December 31,						Nine Months Ended December 31,
	2015			2014			2015			2014
Service cost	$	526		$	510		$	1,555		$	1,530
Interest expense	1,462			1,693			4,386			5,080
Expected return on plan assets	(1,554		)	(1,678		)	(4,663		)	(5,032		)
Amortization of prior service cost	42			48			125			145
Actuarial loss	849			558			2,548			1,672
Curtailment loss	1,062			—			1,062			—
Net periodic pension cost	$	2,387		$	1,131		$	5,013		$	3,395

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 December 31,						Nine Months Ended December 31,
	2015			2014			2015			2014
Service cost	$	—		$	11		$	20		$	32
Interest expense	59			135			280			403
Amortization of prior service cost	(265		)	(303		)	(271		)	(909		)
Actuarial loss	99			111			323			333
Net periodic pension cost (benefit)	$	(107	)	$	(46	)	$	352		$	(141	)