v3.7.0.1
Employee Benefit Plans (Tables)
9 Months Ended
Jun. 30, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Summary of Employer Contributions to Defined Benefit Plans
The table below reflects the Company's actual contributions made fiscal year-to-date and the expected contributions to be made during the balance of the current fiscal year.
 
 
 
Fiscal Year-to-Date Contributions
 
Remaining Fiscal Year Contributions
 
Defined benefit pension plan
$
450,000

 
$
300,000

 
Postretirement medical plan

 
1,000,000

 
Total
$
450,000

 
$
1,300,000

Pension Plan [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Components of Net Periodic Pension and Postretirement Benefit Cost
Net pension plan and postretirement plan expense recorded by the Company is detailed as follows:
 
 
 
Three Months Ended
 
Nine Months Ended
 
 
June 30,
 
June 30,
 
 
2017
 
2016
 
2017
 
2016
 
Components of net periodic pension cost:
 
 
 
 
 
 
 
 
Service cost
$
176,669

 
$
173,594

 
$
530,007

 
$
520,782

 
Interest cost
248,900

 
283,194

 
746,700

 
849,582

 
Expected return on plan assets
(404,103
)
 
(373,060
)
 
(1,212,309
)
 
(1,119,180
)
 
Recognized loss
165,545

 
125,420

 
496,635

 
376,260

 
Net periodic pension cost
$
187,011

 
$
209,148

 
$
561,033

 
$
627,444

Postretirement Plan [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Components of Net Periodic Pension and Postretirement Benefit Cost
 
 
Three Months Ended
 
Nine Months Ended
 
 
June 30,
 
June 30,
 
 
2017
 
2016
 
2017
 
2016
 
Components of postretirement benefit cost:
 
 
 
 
 
 
 
 
Service cost
$
45,817

 
$
37,005

 
$
137,451

 
$
111,015

 
Interest cost
156,706

 
156,145

 
470,118

 
468,435

 
Expected return on plan assets
(142,878
)
 
(126,965
)
 
(428,634
)
 
(380,895
)
 
Recognized loss
107,440

 
62,543

 
322,320

 
187,629

 
Net postretirement benefit cost
$
167,085

 
$
128,728

 
$
501,255

 
$
386,184