Net periodic postretirement benefit costs consisted of the following components:
|
|
Three Months Ended
June 30, |
|
|
Nine Months Ended
June 30, |
|
|
|
2020 |
|
|
2019 |
|
|
2020 |
|
|
2019 |
|
Spire |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Service cost – benefits earned during the period |
|
$ |
1.5 |
|
|
$ |
1.8 |
|
|
$ |
4.4 |
|
|
$ |
5.5 |
|
Interest cost on accumulated postretirement benefit obligation* |
|
|
1.5 |
|
|
|
2.3 |
|
|
|
4.6 |
|
|
|
6.7 |
|
Expected return on plan assets* |
|
|
(4.1 |
) |
|
|
(4.1 |
) |
|
|
(12.3 |
) |
|
|
(12.1 |
) |
Amortization of prior service credit* |
|
|
(0.1 |
) |
|
|
— |
|
|
|
(0.4 |
) |
|
|
(0.1 |
) |
Amortization of actuarial gain* |
|
|
(0.6 |
) |
|
|
(0.1 |
) |
|
|
(1.6 |
) |
|
|
(0.4 |
) |
Subtotal |
|
|
(1.8 |
) |
|
|
(0.1 |
) |
|
|
(5.3 |
) |
|
|
(0.4 |
) |
Regulatory adjustment |
|
|
4.0 |
|
|
|
2.5 |
|
|
|
12.0 |
|
|
|
7.5 |
|
Net postretirement benefit cost |
|
$ |
2.2 |
|
|
$ |
2.4 |
|
|
$ |
6.7 |
|
|
$ |
7.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Spire Missouri |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Service cost – benefits earned during the period |
|
$ |
1.4 |
|
|
$ |
1.7 |
|
|
$ |
4.0 |
|
|
$ |
5.1 |
|
Interest cost on accumulated postretirement benefit obligation* |
|
|
1.2 |
|
|
|
1.8 |
|
|
|
3.5 |
|
|
|
5.2 |
|
Expected return on plan assets* |
|
|
(2.8 |
) |
|
|
(2.8 |
) |
|
|
(8.5 |
) |
|
|
(8.3 |
) |
Amortization of prior service (credit) cost* |
|
|
(0.1 |
) |
|
|
0.1 |
|
|
|
(0.2 |
) |
|
|
0.2 |
|
Amortization of actuarial gain* |
|
|
(0.6 |
) |
|
|
(0.1 |
) |
|
|
(1.6 |
) |
|
|
(0.4 |
) |
Subtotal |
|
|
(0.9 |
) |
|
|
0.7 |
|
|
|
(2.8 |
) |
|
|
1.8 |
|
Regulatory adjustment |
|
|
4.4 |
|
|
|
2.9 |
|
|
|
13.3 |
|
|
|
8.8 |
|
Net postretirement benefit cost |
|
$ |
3.5 |
|
|
$ |
3.6 |
|
|
$ |
10.5 |
|
|
$ |
10.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Spire Alabama |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Service cost – benefits earned during the period |
|
$ |
0.1 |
|
|
$ |
0.1 |
|
|
$ |
0.3 |
|
|
$ |
0.3 |
|
Interest cost on accumulated postretirement benefit obligation* |
|
|
0.3 |
|
|
|
0.4 |
|
|
|
1.0 |
|
|
|
1.3 |
|
Expected return on plan assets* |
|
|
(1.2 |
) |
|
|
(1.2 |
) |
|
|
(3.6 |
) |
|
|
(3.6 |
) |
Amortization of prior service credit* |
|
|
— |
|
|
|
(0.1 |
) |
|
|
(0.2 |
) |
|
|
(0.3 |
) |
Subtotal |
|
|
(0.8 |
) |
|
|
(0.8 |
) |
|
|
(2.5 |
) |
|
|
(2.3 |
) |
Regulatory adjustment |
|
|
(0.4 |
) |
|
|
(0.4 |
) |
|
|
(1.3 |
) |
|
|
(1.3 |
) |
Net postretirement benefit income |
|
$ |
(1.2 |
) |
|
$ |
(1.2 |
) |
|
$ |
(3.8 |
) |
|
$ |
(3.6 |
) |
* Denotes other postretirement expense line items that are recorded below the operating income line in the income statements, in the line item “Other Income (Expense), Net.”
|