Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans

v3.8.0.1
Pension and Other Postretirement Benefit Plans
 6 Months Ended
Mar. 31, 2018
Retirement Benefits [Abstract]  
Pension and Other Postretirement Benefit Plans
Pension and Other Postretirement Benefit Plans

The Company provides defined benefit pension and other postretirement plans to certain employees. Net periodic pension and other postretirement benefit cost for the plans included the following:
 
Three months ended March 31,
 
Pension
 
Other Postretirement
 
2018
 
2017
 
2018
 
2017
 
 
 
 
 
 
 
 
Service cost
$
2,039

 
$
2,138

 
$
84

 
$
98

Interest cost
2,049

 
1,841

 
158

 
157

Expected return on plan assets
(2,534
)
 
(2,312
)
 
—

 
—

Amortization:
 

 
 

 
 

 
 

Prior service cost
(35
)
 
(45
)
 
(49
)
 
(49
)
Net actuarial loss
1,752

 
2,509

 
—

 
—

 
 
 
 
 
 
 
 
Net benefit cost
$
3,271

 
$
4,131

 
$
193

 
$
206

 
Six months ended March 31,
 
Pension
 
Other Postretirement
 
2018
 
2017
 
2018
 
2017
 
 
 
 
 
 
 
 
Service cost
$
4,078

 
$
4,276

 
$
168

 
$
196

Interest cost
4,098

 
3,682

 
316

 
314

Expected return on plan assets
(5,068
)
 
(4,624
)
 
—

 
—

Amortization:
 

 
 

 
 

 
 

Prior service cost
(70
)
 
(90
)
 
(98
)
 
(98
)
Net actuarial loss
3,504

 
5,018

 
—

 
—

 
 
 
 
 
 
 
 
Net benefit cost
$
6,542

 
$
8,262

 
$
386

 
$
412



Benefit payments under the Company's principal retirement plan are made from plan assets, while benefit payments under the postretirement benefit plan are made from the Company's operating funds.  Under IRS regulations, the Company is not required to make any significant contributions to its principal retirement plan in fiscal year 2018.

Contributions made and anticipated for fiscal year 2018 are as follows:
Contributions
 
Pension
 
Other Postretirement
 
 
 
 
 
Contributions during the six months ended March 31, 2018:
 
 
 
 
Supplemental retirement plan
 
$
369

 
$
—

Other postretirement plan
 
—

 
862

 
 
 
 
 
Additional contributions expected in fiscal 2018:
 
 

 
 

Principal retirement plan*
 
$
10,000

 
$
—

Supplemental retirement plan
 
396

 
—

Other postretirement plan
 
—

 
182

* Contribution was made in April 2018, subsequent to the end of the second fiscal quarter.