XML 51 R14.htm IDEA: XBRL DOCUMENT v2.4.1.9
Employee Benefit Plans
 6 Months Ended
Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
8.
Employee Benefit Plans
​
The Company maintains a noncontributory defined benefit pension plan for all domestic nonunion employees employed on or prior to December 31, 2013, who meet certain requirements of age, length of service and hours worked per year. Plan benefits are based upon years of service and average compensation, as defined within the plan.
Net periodic pension expense was:
​ ​ ​
Three Months
 ​ ​
Six Months
 ​
For the Periods Ended December 31
 ​ ​
2014
 ​ ​
2013
 ​ ​
2014
 ​ ​
2013
 ​
Service cost – benefits earned during the period
 ​ ​ ​ $ 656 ​ ​ ​ ​ $ 604 ​ ​ ​ ​ $ 1,477 ​ ​ ​ ​ $ 1,308 ​ ​
Interest cost on benefit obligation
 ​ ​ ​ ​ 574 ​ ​ ​ ​ ​ 577 ​ ​ ​ ​ ​ 1,309 ​ ​ ​ ​ ​ 1,218 ​ ​
Expected return on plan assets
 ​ ​ ​ ​ (648) ​ ​ ​ ​ ​ (577) ​ ​ ​ ​ ​ (1,414) ​ ​ ​ ​ ​ (1,275) ​ ​
Amortization of net actuarial loss and prior service costs
 ​ ​ ​ ​ 417 ​ ​ ​ ​ ​ 226 ​ ​ ​ ​ ​ 702 ​ ​ ​ ​ ​ 429 ​ ​
Net periodic pension expense
 ​ ​ ​ $ 999 ​ ​ ​ ​ $ 830 ​ ​ ​ ​ $ 2,074 ​ ​ ​ ​ $ 1,680 ​ ​
​