XML 39 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
Retirement Benefits (Tables)
 9 Months Ended
Sep. 30, 2017
Defined Benefit Plan [Abstract]  
Components of Net Periodic (Benefit Credit) Benefit Cost
The components of net periodic benefit credit included in our consolidated statements of income for the three months ended September 30, 2017 and 2016 are as follows:
 
Pension Benefits
 
Other Benefits
 
Three Months Ended 
 September 30
 
Three Months Ended 
 September 30
 
2017
 
2016
 
2017
 
2016
Service cost
$
2.6

 
$
2.9

 
$
0.3

 
$
0.3

Interest cost
16.6

 
17.3

 
5.2

 
5.6

Expected return on assets
(36.9
)
 
(36.7
)
 
(5.7
)
 
(5.6
)
Recognized actuarial loss
5.4

 
4.5

 
2.9

 
3.1

Settlement loss
2.9

 
1.1

 
—

 
—

Amortization of prior service credit
(0.1
)
 
(0.2
)
 
(3.4
)
 
(3.4
)
Net periodic benefit credit
$
(9.5
)
 
$
(11.1
)
 
$
(0.7
)
 
$
—

The components of net periodic (benefit credit) benefit cost included in our consolidated statements of income for the nine months ended September 30, 2017 and 2016 are as follows:
 
Pension Benefits
 
Other Benefits
 
Nine Months Ended 
 September 30
 
Nine Months Ended 
 September 30
 
2017
 
2016
 
2017
 
2016
Service cost
$
7.6

 
$
8.6

 
$
1.0

 
$
1.1

Interest cost
49.9

 
51.9

 
15.6

 
16.8

Expected return on assets
(110.7
)
 
(110.1
)
 
(17.0
)
 
(16.8
)
Recognized actuarial loss
16.3

 
13.2

 
8.6

 
9.3

Settlement loss
6.7

 
6.7

 
—

 
—

Amortization of prior service credit
(0.3
)
 
(0.4
)
 
(10.2
)
 
(10.3
)
Net periodic (benefit credit) benefit cost
$
(30.5
)
 
$
(30.1
)
 
$
(2.0
)
 
$
0.1