EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Sep. 30, 2017

Defined Benefit Plan [Abstract]

Schedule of components of net periodic pension cost

The following table provides a detail of the components of net periodic pension cost (in thousands):

	Three Months Ended   September 30,						Six Months Ended   September 30,
	2017			2016			2017			2016
Service cost for benefits earned during the period	$	157		$	1,794		$	311		$	3,754
Interest cost on pension benefit obligation	3,838			4,377			7,589			9,158
Expected return on assets	(5,432		)	(5,920		)	(10,741		)	(12,391		)
Amortization of unrecognized losses	1,819			1,793			3,597			3,755
Net periodic pension cost	$	382		$	2,044		$	756		$	4,276

Assumptions used for stock options granted

The following table shows the assumptions used to compute the stock-based compensation expense for stock options granted during the six months endedSeptember 30, 2017:

Risk free interest rate	1.78	%
Expected life (years)	5
Volatility	56.1	%
Dividend yield	3.98	%
Weighted average exercise price of options granted	$7.03 per option
Weighted average grant-date fair value of options granted	$2.53 per option