v2.4.1.9
EMPLOYEE BENEFIT PLANS (Tables)
9 Months Ended
Dec. 31, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [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 
 December 31,
 
Nine Months Ended 
 December 31,
 
 
 
 
2014
 
2013
 
2014
 
2013
 
 
Service cost for benefits earned during the period
 
$
1,897

 
$
2,162

 
$
6,230

 
$
6,283

 
 
Interest cost on pension benefit obligation
 
5,852

 
6,892

 
19,218

 
20,032

 
 
Expected return on assets
 
(6,945
)
 
(7,486
)
 
(22,806
)
 
(21,759
)
 
 
Amortization of unrecognized losses
 
1,493

 
1,978

 
4,902

 
5,752

 
 
Net periodic pension cost
 
$
2,297

 
$
3,546

 
$
7,544

 
$
10,308

 
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 nine months ended December 31, 2014:
 
Risk free interest rate
1.67
%
 
 
Expected life (years)
5

 
 
Volatility
34.2
%
 
 
Dividend yield
1.92
%
 
 
Weighted average exercise price of options granted
$74.44 per option

 
 
Weighted average grant-date fair value of options granted
$17.17 per option