XML 39 R28.htm IDEA: XBRL DOCUMENT v3.2.0.727
Pension and Postretirement Health and Life Benefits (Tables)
 6 Months Ended
Jun. 30, 2015
General Discussion of Pension and Other Postretirement Benefits [Abstract]  
Schedule of Net Benefit Costs

The components of net periodic benefit cost (credit) for the pension plans were as follows (in millions):
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
Successor
 
 
Predecessor
 
Successor
 
 
Predecessor
 
2015
 
 
2014
 
2015
 
 
2014
Service costs
$
1.0

 
 
$
0.6

 
$
2.0

 
 
$
1.2

Interest costs
9.3

 
 
10.6

 
18.6

 
 
21.1

Expected return on plan assets (gains)
(12.2
)
 
 
(12.8
)
 
(24.4
)
 
 
(25.6
)
Amortization of actuarial (gains) losses, net
—

 
 
0.3

 
—

 
 
0.6

Actuarial (gain) from remeasurement
(3.9
)
 
 
—

 
(3.9
)
 
 
—

Net periodic benefit cost (credit)
$
(5.8
)
 
 
$
(1.3
)
 
$
(7.7
)
 
 
$
(2.7
)


The components of net periodic benefit cost for the postretirement health and life benefit plans were as follows (in millions):
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
Successor
 
 
Predecessor
 
Successor
 
 
Predecessor
 
2015
 
 
2014
 
2015
 
 
2014
Service costs
$
—

 
 
$
0.4

 
$
0.1

 
 
$
0.9

Interest costs
2.2

 
 
2.5

 
4.4

 
 
5.0

Expected return on plan assets (gains)
(0.3
)
 
 
(0.5
)
 
(0.5
)
 
 
(1.0
)
Amortization of prior service costs (credits), net
—

 
 
(0.1
)
 
(0.1
)
 
 
(0.2
)
Net periodic benefit cost
$
1.9

 
 
$
2.3

 
$
3.9

 
 
$
4.7