ÐÇ¿Õ´«Ã½

Quarterly report pursuant to Section 13 or 15(d)

PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Tables)

v3.8.0.1
PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Tables)
 9 Months Ended
Sep. 30, 2017
Postemployment Benefits [Abstract] Ìý
Schedule of Net Benefit Costs
The following are the components of defined benefit pension and OPEB costs and credits for the three and nine months ended SeptemberÌý30, 2017 and 2016:
Defined Benefit Pension Costs
Ìý
(In Millions)
Ìý
Three Months Ended
September 30,
Ìý
Nine Months Ended
September 30,
Ìý
2017
Ìý
2016
Ìý
2017
Ìý
2016
Service cost
$
3.4

Ìý
$
4.2

Ìý
$
12.9

Ìý
$
13.2

Interest cost
7.9

Ìý
7.8

Ìý
22.9

Ìý
22.7

Expected return on plan assets
(13.8
)
Ìý
(13.6
)
Ìý
(40.9
)
Ìý
(41.0
)
Amortization:
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
Prior service costs
0.6

Ìý
0.5

Ìý
1.9

Ìý
1.6

Net actuarial loss
6.1

Ìý
5.4

Ìý
16.7

Ìý
15.9

Net periodic benefit cost
$
4.2

Ìý
$
4.3

Ìý
$
13.5

Ìý
$
12.4


Other Postretirement Benefits Credits
Ìý
(In Millions)
Ìý
Three Months Ended
September 30,
Ìý
Nine Months Ended
September 30,
Ìý
2017
Ìý
2016
Ìý
2017
Ìý
2016
Service cost
$
0.3

Ìý
$
0.4

Ìý
$
1.3

Ìý
$
1.3

Interest cost
1.9

Ìý
2.3

Ìý
6.2

Ìý
6.8

Expected return on plan assets
(4.4
)
Ìý
(4.3
)
Ìý
(13.3
)
Ìý
(12.8
)
Amortization:
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
Prior service credits
(0.8
)
Ìý
(0.9
)
Ìý
(2.3
)
Ìý
(2.8
)
Net actuarial loss
0.9

Ìý
1.7

Ìý
3.4

Ìý
4.5

Net periodic benefit credit
$
(2.1
)
Ìý
$
(0.8
)
Ìý
$
(4.7
)
Ìý
$
(3.0
)