XML 18 R25.htm IDEA: XBRL DOCUMENT v3.2.0.727
EMPLOYEE BENEFIT PLANS (Tables)
 3 Months Ended
Jun. 30, 2015
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 
 June 30,
 
 
 
 
2015
 
2014
 
 
Service cost for benefits earned during the period
 
$
2,373

 
$
2,246

 
 
Interest cost on pension benefit obligation
 
5,171

 
6,929

 
 
Expected return on assets
 
(6,941
)
 
(8,223
)
 
 
Amortization of unrecognized losses
 
2,131

 
1,768

 
 
Net periodic pension cost
 
$
2,734

 
$
2,720

 
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 three months ended June 30, 2015:
 
Risk free interest rate
1.63
%
 
 
Expected life (years)
6

 
 
Volatility
28.1
%
 
 
Dividend yield
3.14
%
 
 
Weighted average exercise price of options granted
$58.17 per option

 
 
Weighted average grant-date fair value of options granted
$10.84 per option