Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans (Tables)

v3.8.0.1
Pension and Other Postretirement Benefit Plans (Tables)
 6 Months Ended
Mar. 31, 2018
Retirement Benefits [Abstract]  
Net Periodic Pension and Other Postretirement Benefit Cost
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

Contributions Made and Anticipated for the Current Fiscal Year
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.