The components of the net periodic pension and post-retirement
benefit costs were as follows:
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Defined Benefit Pension Plans
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|
Three Months Ended May 31, |
|
|
Nine Months Ended May 31, |
|
| (In thousands) |
|
2014 |
|
|
2013 |
|
|
2014 |
|
|
2013 |
|
|
|
|
|
|
|
Service cost
|
|
$ |
237 |
|
|
$ |
486 |
|
|
$ |
1,113 |
|
|
$ |
1,458 |
|
|
Interest cost
|
|
|
698 |
|
|
|
662 |
|
|
|
2,168 |
|
|
|
1,986 |
|
|
Expected return on plan assets
|
|
|
(873 |
) |
|
|
(717 |
) |
|
|
(2,499 |
) |
|
|
(2,151 |
) |
|
Amortization of prior service cost
|
|
|
58 |
|
|
|
60 |
|
|
|
174 |
|
|
|
180 |
|
|
Amortization of actuarial losses
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|
|
45 |
|
|
|
483 |
|
|
|
307 |
|
|
|
1,449 |
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Net periodic benefit cost
|
|
$ |
165 |
|
|
$ |
974 |
|
|
$ |
1,263 |
|
|
$ |
2,922 |
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Post-retirement Health Care Plans
|
|
Three Months Ended May 31, |
|
|
Nine Months Ended May 31, |
|
| (In thousands) |
|
2014 |
|
|
2013 |
|
|
2014 |
|
|
2013 |
|
|
|
|
|
|
|
Service cost
|
|
$ |
28 |
|
|
$ |
59 |
|
|
$ |
84 |
|
|
$ |
177 |
|
|
Interest cost
|
|
|
222 |
|
|
|
215 |
|
|
|
666 |
|
|
|
645 |
|
|
Amortization of prior service cost
|
|
|
(38 |
) |
|
|
(38 |
) |
|
|
(114 |
) |
|
|
(114 |
) |
|
Amortization of actuarial losses
|
|
|
— |
|
|
|
67 |
|
|
|
|
|
|
|
201 |
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
Net periodic benefit cost
|
|
$ |
212 |
|
|
$ |
303 |
|
|
$ |
636 |
|
|
$ |
909 |
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|