| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Three Months |
|
|
Nine Months |
|
| |
|
2011 |
|
|
2010 |
|
|
2011 |
|
|
2010 |
|
|
Retirement Plans
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Service cost
|
|
$ |
16.7 |
|
|
$ |
15.2 |
|
|
$ |
50.2 |
|
|
$ |
45.8 |
|
|
Interest cost
|
|
|
24.9 |
|
|
|
23.5 |
|
|
|
74.5 |
|
|
|
70.4 |
|
|
Expected return on plan assets
|
|
|
(31.8 |
) |
|
|
(27.9 |
) |
|
|
(95.5 |
) |
|
|
(83.6 |
) |
|
Amortization of prior service credit
|
|
|
(0.1 |
) |
|
|
— |
|
|
|
(0.3 |
) |
|
|
(0.1 |
) |
|
Amortization of actuarial loss
|
|
|
7.7 |
|
|
|
3.7 |
|
|
|
23.0 |
|
|
|
11.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net periodic benefit cost
|
|
$ |
17.4 |
|
|
$ |
14.5 |
|
|
$ |
51.9 |
|
|
$ |
43.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Post-Retirement Plans
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Service cost
|
|
$ |
0.6 |
|
|
$ |
0.7 |
|
|
$ |
2.0 |
|
|
$ |
1.9 |
|
|
Interest cost
|
|
|
1.2 |
|
|
|
1.8 |
|
|
|
4.6 |
|
|
|
5.5 |
|
|
Amortization of prior service credit
|
|
|
(0.3 |
) |
|
|
(0.3 |
) |
|
|
(0.9 |
) |
|
|
(0.9 |
) |
|
Amortization of actuarial gain
|
|
|
(0.1 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net periodic benefit cost
|
|
$ |
1.4 |
|
|
$ |
2.2 |
|
|
$ |
5.7 |
|
|
$ |
6.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|