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Retirement Plans
 9 Months Ended
Jun. 30, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Retirement Plans
Retirement Plans
The components of net periodic benefit cost allocated to continuing operations for defined benefit pension plans are as follows.
 
Three months ended
 
Nine months ended
 
June 30,
 
June 30,
 
2014
 
2013
 
2014
 
2013
 
(in millions)
Service cost
$
0.4

 
$
0.5

 
$
1.2

 
$
1.5

Interest cost
5.0

 
1.6

 
15.0

 
4.8

Expected return on plan assets
(6.0
)
 
(2.2
)
 
(17.9
)
 
(6.5
)
Amortization of actuarial net loss
0.9

 
0.8

 
2.7

 
2.3

Net periodic benefit cost
$
0.3

 
$
0.7

 
$
1.0

 
$
2.1


The amortization of actuarial losses, net of tax, is recorded as a component of other comprehensive income (loss).
We expect to make $0.7 million of contributions to our U.S. pension plan during 2014. For financial reporting purposes, our U.S. pension plan obligations were 99% funded at September 30, 2013.
We ceased postretirement medical benefits substantially on December 31, 2012. Related to this cessation of benefits, we recorded a benefit of $7.4 million, which is included in income from discontinued operations for the nine months ended June 30, 2013.