Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans

v3.10.0.1
Pension and Other Postretirement Benefit Plans
 9 Months Ended
Jun. 30, 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 June 30,
 
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
1,753

 
2,509

 
—

 
—

 
 
 
 
 
 
 
 
Net benefit cost
$
3,272

 
$
4,131

 
$
193

 
$
206

 
Nine months ended June 30,
 
Pension
 
Other Postretirement
 
2018
 
2017
 
2018
 
2017
 
 
 
 
 
 
 
 
Service cost
$
6,117

 
$
6,414

 
$
252

 
$
294

Interest cost
6,147

 
5,523

 
474

 
471

Expected return on plan assets
(7,602
)
 
(6,936
)
 
—

 
—

Amortization:
 

 
 

 
 

 
 

Prior service cost
(105
)
 
(135
)
 
(147
)
 
(147
)
Net actuarial loss
5,257

 
7,527

 
—

 
—

 
 
 
 
 
 
 
 
Net benefit cost
$
9,814

 
$
12,393

 
$
579

 
$
618



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 nine months ended June 30, 2018:
 
 
 
 
Principal retirement plan
 
$
10,000

 
$
—

Supplemental retirement plan
 
575

 
—

Other postretirement plan
 
—

 
1,281

 
 
 
 
 
Additional contributions expected in fiscal 2018:
 
 

 
 

Supplemental retirement plan
 
$
191

 
$
—