v3.3.0.814
EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Sep. 30, 2015
Employee Benefits and Share-based Compensation [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,
 
 
 
 
2015
 
2014
 
2015
 
2014
 
 
Service cost for benefits earned during the period
 
$
2,399

 
$
2,087

 
$
4,772

 
$
4,333

 
 
Interest cost on pension benefit obligation
 
5,226

 
6,437

 
10,396

 
13,366

 
 
Expected return on assets
 
(7,014
)
 
(7,638
)
 
(13,955
)
 
(15,861
)
 
 
Amortization of unrecognized losses
 
2,153

 
1,641

 
4,285

 
3,409

 
 
Net periodic pension cost
 
$
2,764

 
$
2,527

 
$
5,498

 
$
5,247

 
Schedule of Black Scholes Assumptions
The following table shows the assumptions used to compute the stock-based compensation expense for stock options granted during the six months ended September 30, 2015:
 
Risk free interest rate
1.62
%
 
 
Expected life (years)
6

 
 
Volatility
28.1
%
 
 
Dividend yield
3.14
%
 
 
Weighted average exercise price of options granted
$57.52 per option

 
 
Weighted average grant-date fair value of options granted
$10.71 per option